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Finding the Third Proportional to 10,418 and 15,235

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Solution

The third proportional to 10,418 and 15,235 is: 22,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418 : 15,235 = 15,235 : x
  2. Step 2: Convert to fraction form
    10,418/15,235 = 15,235/x
  3. Step 3: Cross multiply
    10,418x = 15,235 × 15,235
  4. Step 4: Simplify right side
    10,418x = 232,105,225
  5. Step 5: Solve for x
    x = 232,105,225/10,418
  6. Step 6: Final answer
    x = 22,279.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.