Home / 357,590-540,030

Finding the Third Proportional to 357,590 and 540,030

Calculator

Solution

The third proportional to 357,590 and 540,030 is: 815,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,590 : 540,030 = 540,030 : x
  2. Step 2: Convert to fraction form
    357,590/540,030 = 540,030/x
  3. Step 3: Cross multiply
    357,590x = 540,030 × 540,030
  4. Step 4: Simplify right side
    357,590x = 291,632,400,900
  5. Step 5: Solve for x
    x = 291,632,400,900/357,590
  6. Step 6: Final answer
    x = 815,549.65

Related Problems

Find third proportional to 178,795 and 270,015
Half scale
Find third proportional to 715,180 and 1,080,060
Double scale
Find third proportional to 357,592 and 540,033
Similar ratio
Find third proportional to 536,385 and 810,045
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.