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Finding the Third Proportional to 70,488 and 109,310.63

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Solution

The third proportional to 70,488 and 109,310.63 is: 169,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,488 : 109,310.63 = 109,310.63 : x
  2. Step 2: Convert to fraction form
    70,488/109,310.63 = 109,310.63/x
  3. Step 3: Cross multiply
    70,488x = 109,310.63 × 109,310.63
  4. Step 4: Simplify right side
    70,488x = 11,948,812,737.89
  5. Step 5: Solve for x
    x = 11,948,812,737.89/70,488
  6. Step 6: Final answer
    x = 169,515.56

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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.