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Finding the Third Proportional to 39,400.17 and 51,719.13

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Solution

The third proportional to 39,400.17 and 51,719.13 is: 67,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.17 : 51,719.13 = 51,719.13 : x
  2. Step 2: Convert to fraction form
    39,400.17/51,719.13 = 51,719.13/x
  3. Step 3: Cross multiply
    39,400.17x = 51,719.13 × 51,719.13
  4. Step 4: Simplify right side
    39,400.17x = 2,674,868,698.88
  5. Step 5: Solve for x
    x = 2,674,868,698.88/39,400.17
  6. Step 6: Final answer
    x = 67,889.77

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.