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Finding the Third Proportional to 747.28 and 1,164.94

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Solution

The third proportional to 747.28 and 1,164.94 is: 1,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    747.28 : 1,164.94 = 1,164.94 : x
  2. Step 2: Convert to fraction form
    747.28/1,164.94 = 1,164.94/x
  3. Step 3: Cross multiply
    747.28x = 1,164.94 × 1,164.94
  4. Step 4: Simplify right side
    747.28x = 1,357,079.38
  5. Step 5: Solve for x
    x = 1,357,079.38/747.28
  6. Step 6: Final answer
    x = 1,816.02

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.