Home / 421,295,976-559,014,804

Finding the Third Proportional to 421,295,976 and 559,014,804

Calculator

Solution

The third proportional to 421,295,976 and 559,014,804 is: 741,752,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,295,976 : 559,014,804 = 559,014,804 : x
  2. Step 2: Convert to fraction form
    421,295,976/559,014,804 = 559,014,804/x
  3. Step 3: Cross multiply
    421,295,976x = 559,014,804 × 559,014,804
  4. Step 4: Simplify right side
    421,295,976x = 312,497,551,091,158,400
  5. Step 5: Solve for x
    x = 312,497,551,091,158,400/421,295,976
  6. Step 6: Final answer
    x = 741,752,992.89

Related Problems

Find third proportional to 210,647,988 and 279,507,402
Half scale
Find third proportional to 842,591,952 and 1,118,029,608
Double scale
Find third proportional to 421,295,978 and 559,014,807
Similar ratio
Find third proportional to 631,943,964 and 838,522,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.