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Finding the Third Proportional to 36,532.50 and 78,708

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Solution

The third proportional to 36,532.50 and 78,708 is: 169,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,532.50 : 78,708 = 78,708 : x
  2. Step 2: Convert to fraction form
    36,532.50/78,708 = 78,708/x
  3. Step 3: Cross multiply
    36,532.50x = 78,708 × 78,708
  4. Step 4: Simplify right side
    36,532.50x = 6,194,949,264
  5. Step 5: Solve for x
    x = 6,194,949,264/36,532.50
  6. Step 6: Final answer
    x = 169,573.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.