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Finding the Third Proportional to 107,217.50 and 157,708

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Solution

The third proportional to 107,217.50 and 157,708 is: 231,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,217.50 : 157,708 = 157,708 : x
  2. Step 2: Convert to fraction form
    107,217.50/157,708 = 157,708/x
  3. Step 3: Cross multiply
    107,217.50x = 157,708 × 157,708
  4. Step 4: Simplify right side
    107,217.50x = 24,871,813,264
  5. Step 5: Solve for x
    x = 24,871,813,264/107,217.50
  6. Step 6: Final answer
    x = 231,975.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.