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Finding the Third Proportional to 85,602 and 133,065

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Solution

The third proportional to 85,602 and 133,065 is: 206,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,602 : 133,065 = 133,065 : x
  2. Step 2: Convert to fraction form
    85,602/133,065 = 133,065/x
  3. Step 3: Cross multiply
    85,602x = 133,065 × 133,065
  4. Step 4: Simplify right side
    85,602x = 17,706,294,225
  5. Step 5: Solve for x
    x = 17,706,294,225/85,602
  6. Step 6: Final answer
    x = 206,844.40

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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.