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Finding the Third Proportional to 290,711,620 and 446,844,552

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Solution

The third proportional to 290,711,620 and 446,844,552 is: 686,832,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,711,620 : 446,844,552 = 446,844,552 : x
  2. Step 2: Convert to fraction form
    290,711,620/446,844,552 = 446,844,552/x
  3. Step 3: Cross multiply
    290,711,620x = 446,844,552 × 446,844,552
  4. Step 4: Simplify right side
    290,711,620x = 199,670,053,652,080,704
  5. Step 5: Solve for x
    x = 199,670,053,652,080,704/290,711,620
  6. Step 6: Final answer
    x = 686,832,035.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.