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Finding the Third Proportional to 42,052,143 and 61,481,703

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Solution

The third proportional to 42,052,143 and 61,481,703 is: 89,888,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052,143 : 61,481,703 = 61,481,703 : x
  2. Step 2: Convert to fraction form
    42,052,143/61,481,703 = 61,481,703/x
  3. Step 3: Cross multiply
    42,052,143x = 61,481,703 × 61,481,703
  4. Step 4: Simplify right side
    42,052,143x = 3,779,999,803,780,209
  5. Step 5: Solve for x
    x = 3,779,999,803,780,209/42,052,143
  6. Step 6: Final answer
    x = 89,888,398.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.