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Finding the Third Proportional to 10,246 and 15,072

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Solution

The third proportional to 10,246 and 15,072 is: 22,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246 : 15,072 = 15,072 : x
  2. Step 2: Convert to fraction form
    10,246/15,072 = 15,072/x
  3. Step 3: Cross multiply
    10,246x = 15,072 × 15,072
  4. Step 4: Simplify right side
    10,246x = 227,165,184
  5. Step 5: Solve for x
    x = 227,165,184/10,246
  6. Step 6: Final answer
    x = 22,171.11

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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.