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Finding the Third Proportional to 12,139.50 and 26,226

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Solution

The third proportional to 12,139.50 and 26,226 is: 56,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139.50 : 26,226 = 26,226 : x
  2. Step 2: Convert to fraction form
    12,139.50/26,226 = 26,226/x
  3. Step 3: Cross multiply
    12,139.50x = 26,226 × 26,226
  4. Step 4: Simplify right side
    12,139.50x = 687,803,076
  5. Step 5: Solve for x
    x = 687,803,076/12,139.50
  6. Step 6: Final answer
    x = 56,658.27

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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.