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Finding the Third Proportional to 331,490,796 and 721,834,538

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Solution

The third proportional to 331,490,796 and 721,834,538 is: 1,571,823,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,490,796 : 721,834,538 = 721,834,538 : x
  2. Step 2: Convert to fraction form
    331,490,796/721,834,538 = 721,834,538/x
  3. Step 3: Cross multiply
    331,490,796x = 721,834,538 × 721,834,538
  4. Step 4: Simplify right side
    331,490,796x = 521,045,100,249,673,472
  5. Step 5: Solve for x
    x = 521,045,100,249,673,472/331,490,796
  6. Step 6: Final answer
    x = 1,571,823,732.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.