Home / 124,767,330.75-278,222,539.50

Finding the Third Proportional to 124,767,330.75 and 278,222,539.50

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Solution

The third proportional to 124,767,330.75 and 278,222,539.50 is: 620,417,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,330.75 : 278,222,539.50 = 278,222,539.50 : x
  2. Step 2: Convert to fraction form
    124,767,330.75/278,222,539.50 = 278,222,539.50/x
  3. Step 3: Cross multiply
    124,767,330.75x = 278,222,539.50 × 278,222,539.50
  4. Step 4: Simplify right side
    124,767,330.75x = 77,407,781,485,829,056
  5. Step 5: Solve for x
    x = 77,407,781,485,829,056/124,767,330.75
  6. Step 6: Final answer
    x = 620,417,067.68

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.