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Finding the Third Proportional to 555,187,841 and 862,432,430

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Solution

The third proportional to 555,187,841 and 862,432,430 is: 1,339,708,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,187,841 : 862,432,430 = 862,432,430 : x
  2. Step 2: Convert to fraction form
    555,187,841/862,432,430 = 862,432,430/x
  3. Step 3: Cross multiply
    555,187,841x = 862,432,430 × 862,432,430
  4. Step 4: Simplify right side
    555,187,841x = 743,789,696,315,704,960
  5. Step 5: Solve for x
    x = 743,789,696,315,704,960/555,187,841
  6. Step 6: Final answer
    x = 1,339,708,187.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.