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Finding the Third Proportional to 9,921 and 15,064.50

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Solution

The third proportional to 9,921 and 15,064.50 is: 22,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921 : 15,064.50 = 15,064.50 : x
  2. Step 2: Convert to fraction form
    9,921/15,064.50 = 15,064.50/x
  3. Step 3: Cross multiply
    9,921x = 15,064.50 × 15,064.50
  4. Step 4: Simplify right side
    9,921x = 226,939,160.25
  5. Step 5: Solve for x
    x = 226,939,160.25/9,921
  6. Step 6: Final answer
    x = 22,874.63

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.