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Finding the Third Proportional to 29,639.50 and 52,700

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Solution

The third proportional to 29,639.50 and 52,700 is: 93,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.50 : 52,700 = 52,700 : x
  2. Step 2: Convert to fraction form
    29,639.50/52,700 = 52,700/x
  3. Step 3: Cross multiply
    29,639.50x = 52,700 × 52,700
  4. Step 4: Simplify right side
    29,639.50x = 2,777,290,000
  5. Step 5: Solve for x
    x = 2,777,290,000/29,639.50
  6. Step 6: Final answer
    x = 93,702.32

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.