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Finding the Third Proportional to 15,125 and 22,159

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Solution

The third proportional to 15,125 and 22,159 is: 32,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125 : 22,159 = 22,159 : x
  2. Step 2: Convert to fraction form
    15,125/22,159 = 22,159/x
  3. Step 3: Cross multiply
    15,125x = 22,159 × 22,159
  4. Step 4: Simplify right side
    15,125x = 491,021,281
  5. Step 5: Solve for x
    x = 491,021,281/15,125
  6. Step 6: Final answer
    x = 32,464.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.