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Finding the Third Proportional to 15,921 and 24,613.50

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Solution

The third proportional to 15,921 and 24,613.50 is: 38,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921 : 24,613.50 = 24,613.50 : x
  2. Step 2: Convert to fraction form
    15,921/24,613.50 = 24,613.50/x
  3. Step 3: Cross multiply
    15,921x = 24,613.50 × 24,613.50
  4. Step 4: Simplify right side
    15,921x = 605,824,382.25
  5. Step 5: Solve for x
    x = 605,824,382.25/15,921
  6. Step 6: Final answer
    x = 38,051.91

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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.