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Finding the Third Proportional to 912 and 1,566

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Solution

The third proportional to 912 and 1,566 is: 2,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    912 : 1,566 = 1,566 : x
  2. Step 2: Convert to fraction form
    912/1,566 = 1,566/x
  3. Step 3: Cross multiply
    912x = 1,566 × 1,566
  4. Step 4: Simplify right side
    912x = 2,452,356
  5. Step 5: Solve for x
    x = 2,452,356/912
  6. Step 6: Final answer
    x = 2,688.99

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.