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Finding the Third Proportional to 130,914 and 207,630

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Solution

The third proportional to 130,914 and 207,630 is: 329,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914 : 207,630 = 207,630 : x
  2. Step 2: Convert to fraction form
    130,914/207,630 = 207,630/x
  3. Step 3: Cross multiply
    130,914x = 207,630 × 207,630
  4. Step 4: Simplify right side
    130,914x = 43,110,216,900
  5. Step 5: Solve for x
    x = 43,110,216,900/130,914
  6. Step 6: Final answer
    x = 329,301.81

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.