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Finding the Third Proportional to 88,569 and 129,447

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Solution

The third proportional to 88,569 and 129,447 is: 189,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569 : 129,447 = 129,447 : x
  2. Step 2: Convert to fraction form
    88,569/129,447 = 129,447/x
  3. Step 3: Cross multiply
    88,569x = 129,447 × 129,447
  4. Step 4: Simplify right side
    88,569x = 16,756,525,809
  5. Step 5: Solve for x
    x = 16,756,525,809/88,569
  6. Step 6: Final answer
    x = 189,191.77

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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.