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Finding the Third Proportional to 159,700.50 and 247,238.50

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Solution

The third proportional to 159,700.50 and 247,238.50 is: 382,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,700.50 : 247,238.50 = 247,238.50 : x
  2. Step 2: Convert to fraction form
    159,700.50/247,238.50 = 247,238.50/x
  3. Step 3: Cross multiply
    159,700.50x = 247,238.50 × 247,238.50
  4. Step 4: Simplify right side
    159,700.50x = 61,126,875,882.25
  5. Step 5: Solve for x
    x = 61,126,875,882.25/159,700.50
  6. Step 6: Final answer
    x = 382,759.45

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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.