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Finding the Third Proportional to 40,471 and 61,270

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Solution

The third proportional to 40,471 and 61,270 is: 92,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471 : 61,270 = 61,270 : x
  2. Step 2: Convert to fraction form
    40,471/61,270 = 61,270/x
  3. Step 3: Cross multiply
    40,471x = 61,270 × 61,270
  4. Step 4: Simplify right side
    40,471x = 3,754,012,900
  5. Step 5: Solve for x
    x = 3,754,012,900/40,471
  6. Step 6: Final answer
    x = 92,758.10

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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.