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Finding the Third Proportional to 10,156 and 15,370

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Solution

The third proportional to 10,156 and 15,370 is: 23,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156 : 15,370 = 15,370 : x
  2. Step 2: Convert to fraction form
    10,156/15,370 = 15,370/x
  3. Step 3: Cross multiply
    10,156x = 15,370 × 15,370
  4. Step 4: Simplify right side
    10,156x = 236,236,900
  5. Step 5: Solve for x
    x = 236,236,900/10,156
  6. Step 6: Final answer
    x = 23,260.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.