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Finding the Third Proportional to 57,798 and 91,545

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Solution

The third proportional to 57,798 and 91,545 is: 144,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798 : 91,545 = 91,545 : x
  2. Step 2: Convert to fraction form
    57,798/91,545 = 91,545/x
  3. Step 3: Cross multiply
    57,798x = 91,545 × 91,545
  4. Step 4: Simplify right side
    57,798x = 8,380,487,025
  5. Step 5: Solve for x
    x = 8,380,487,025/57,798
  6. Step 6: Final answer
    x = 144,996.14

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.