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Finding the Third Proportional to 10,979.50 and 24,415

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Solution

The third proportional to 10,979.50 and 24,415 is: 54,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.50 : 24,415 = 24,415 : x
  2. Step 2: Convert to fraction form
    10,979.50/24,415 = 24,415/x
  3. Step 3: Cross multiply
    10,979.50x = 24,415 × 24,415
  4. Step 4: Simplify right side
    10,979.50x = 596,092,225
  5. Step 5: Solve for x
    x = 596,092,225/10,979.50
  6. Step 6: Final answer
    x = 54,291.38

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.