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Finding the Third Proportional to 38,437 and 89,779

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Solution

The third proportional to 38,437 and 89,779 is: 209,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437 : 89,779 = 89,779 : x
  2. Step 2: Convert to fraction form
    38,437/89,779 = 89,779/x
  3. Step 3: Cross multiply
    38,437x = 89,779 × 89,779
  4. Step 4: Simplify right side
    38,437x = 8,060,268,841
  5. Step 5: Solve for x
    x = 8,060,268,841/38,437
  6. Step 6: Final answer
    x = 209,700.78

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.