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Finding the Third Proportional to 9,871.88 and 14,337

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Solution

The third proportional to 9,871.88 and 14,337 is: 20,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.88 : 14,337 = 14,337 : x
  2. Step 2: Convert to fraction form
    9,871.88/14,337 = 14,337/x
  3. Step 3: Cross multiply
    9,871.88x = 14,337 × 14,337
  4. Step 4: Simplify right side
    9,871.88x = 205,549,569
  5. Step 5: Solve for x
    x = 205,549,569/9,871.88
  6. Step 6: Final answer
    x = 20,821.74

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.