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Finding the Third Proportional to 916.31 and 1,614.94

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Solution

The third proportional to 916.31 and 1,614.94 is: 2,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.31 : 1,614.94 = 1,614.94 : x
  2. Step 2: Convert to fraction form
    916.31/1,614.94 = 1,614.94/x
  3. Step 3: Cross multiply
    916.31x = 1,614.94 × 1,614.94
  4. Step 4: Simplify right side
    916.31x = 2,608,023.13
  5. Step 5: Solve for x
    x = 2,608,023.13/916.31
  6. Step 6: Final answer
    x = 2,846.22

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.