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Finding the Third Proportional to 66,708 and 157,471.50

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Solution

The third proportional to 66,708 and 157,471.50 is: 371,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708 : 157,471.50 = 157,471.50 : x
  2. Step 2: Convert to fraction form
    66,708/157,471.50 = 157,471.50/x
  3. Step 3: Cross multiply
    66,708x = 157,471.50 × 157,471.50
  4. Step 4: Simplify right side
    66,708x = 24,797,273,312.25
  5. Step 5: Solve for x
    x = 24,797,273,312.25/66,708
  6. Step 6: Final answer
    x = 371,728.63

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.