Home / 258,410,522-387,804,777

Finding the Third Proportional to 258,410,522 and 387,804,777

Calculator

Solution

The third proportional to 258,410,522 and 387,804,777 is: 581,990,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,410,522 : 387,804,777 = 387,804,777 : x
  2. Step 2: Convert to fraction form
    258,410,522/387,804,777 = 387,804,777/x
  3. Step 3: Cross multiply
    258,410,522x = 387,804,777 × 387,804,777
  4. Step 4: Simplify right side
    258,410,522x = 150,392,545,064,019,744
  5. Step 5: Solve for x
    x = 150,392,545,064,019,744/258,410,522
  6. Step 6: Final answer
    x = 581,990,794.72

Related Problems

Find third proportional to 129,205,261 and 193,902,388.50
Half scale
Find third proportional to 516,821,044 and 775,609,554
Double scale
Find third proportional to 258,410,524 and 387,804,780
Similar ratio
Find third proportional to 387,615,783 and 581,707,165.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.