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Finding the Third Proportional to 1,546.31 and 1,715.91

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Solution

The third proportional to 1,546.31 and 1,715.91 is: 1,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.31 : 1,715.91 = 1,715.91 : x
  2. Step 2: Convert to fraction form
    1,546.31/1,715.91 = 1,715.91/x
  3. Step 3: Cross multiply
    1,546.31x = 1,715.91 × 1,715.91
  4. Step 4: Simplify right side
    1,546.31x = 2,944,334.26
  5. Step 5: Solve for x
    x = 2,944,334.26/1,546.31
  6. Step 6: Final answer
    x = 1,904.10

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.