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Finding the Third Proportional to 87,258 and 134,829

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Solution

The third proportional to 87,258 and 134,829 is: 208,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258 : 134,829 = 134,829 : x
  2. Step 2: Convert to fraction form
    87,258/134,829 = 134,829/x
  3. Step 3: Cross multiply
    87,258x = 134,829 × 134,829
  4. Step 4: Simplify right side
    87,258x = 18,178,859,241
  5. Step 5: Solve for x
    x = 18,178,859,241/87,258
  6. Step 6: Final answer
    x = 208,334.59

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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.