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Finding the Third Proportional to 947 and 2,292

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Solution

The third proportional to 947 and 2,292 is: 5,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947 : 2,292 = 2,292 : x
  2. Step 2: Convert to fraction form
    947/2,292 = 2,292/x
  3. Step 3: Cross multiply
    947x = 2,292 × 2,292
  4. Step 4: Simplify right side
    947x = 5,253,264
  5. Step 5: Solve for x
    x = 5,253,264/947
  6. Step 6: Final answer
    x = 5,547.27

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.