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Finding the Third Proportional to 90,832 and 135,688

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Solution

The third proportional to 90,832 and 135,688 is: 202,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832 : 135,688 = 135,688 : x
  2. Step 2: Convert to fraction form
    90,832/135,688 = 135,688/x
  3. Step 3: Cross multiply
    90,832x = 135,688 × 135,688
  4. Step 4: Simplify right side
    90,832x = 18,411,233,344
  5. Step 5: Solve for x
    x = 18,411,233,344/90,832
  6. Step 6: Final answer
    x = 202,695.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.