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Finding the Third Proportional to 12,159 and 26,217

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Solution

The third proportional to 12,159 and 26,217 is: 56,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159 : 26,217 = 26,217 : x
  2. Step 2: Convert to fraction form
    12,159/26,217 = 26,217/x
  3. Step 3: Cross multiply
    12,159x = 26,217 × 26,217
  4. Step 4: Simplify right side
    12,159x = 687,331,089
  5. Step 5: Solve for x
    x = 687,331,089/12,159
  6. Step 6: Final answer
    x = 56,528.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.