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Finding the Third Proportional to 159,643,620 and 344,205,918

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Solution

The third proportional to 159,643,620 and 344,205,918 is: 742,138,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,643,620 : 344,205,918 = 344,205,918 : x
  2. Step 2: Convert to fraction form
    159,643,620/344,205,918 = 344,205,918/x
  3. Step 3: Cross multiply
    159,643,620x = 344,205,918 × 344,205,918
  4. Step 4: Simplify right side
    159,643,620x = 118,477,713,986,222,720
  5. Step 5: Solve for x
    x = 118,477,713,986,222,720/159,643,620
  6. Step 6: Final answer
    x = 742,138,733.68

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.