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Finding the Third Proportional to 130,306.50 and 206,500.50

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Solution

The third proportional to 130,306.50 and 206,500.50 is: 327,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,306.50 : 206,500.50 = 206,500.50 : x
  2. Step 2: Convert to fraction form
    130,306.50/206,500.50 = 206,500.50/x
  3. Step 3: Cross multiply
    130,306.50x = 206,500.50 × 206,500.50
  4. Step 4: Simplify right side
    130,306.50x = 42,642,456,500.25
  5. Step 5: Solve for x
    x = 42,642,456,500.25/130,306.50
  6. Step 6: Final answer
    x = 327,247.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.