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Finding the Third Proportional to 15,918 and 24,640.50

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Solution

The third proportional to 15,918 and 24,640.50 is: 38,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918 : 24,640.50 = 24,640.50 : x
  2. Step 2: Convert to fraction form
    15,918/24,640.50 = 24,640.50/x
  3. Step 3: Cross multiply
    15,918x = 24,640.50 × 24,640.50
  4. Step 4: Simplify right side
    15,918x = 607,154,240.25
  5. Step 5: Solve for x
    x = 607,154,240.25/15,918
  6. Step 6: Final answer
    x = 38,142.62

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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.