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Finding the Third Proportional to 346,479,861 and 721,620,631

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Solution

The third proportional to 346,479,861 and 721,620,631 is: 1,502,933,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,479,861 : 721,620,631 = 721,620,631 : x
  2. Step 2: Convert to fraction form
    346,479,861/721,620,631 = 721,620,631/x
  3. Step 3: Cross multiply
    346,479,861x = 721,620,631 × 721,620,631
  4. Step 4: Simplify right side
    346,479,861x = 520,736,335,084,838,144
  5. Step 5: Solve for x
    x = 520,736,335,084,838,144/346,479,861
  6. Step 6: Final answer
    x = 1,502,933,918.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.