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Finding the Third Proportional to 472.38 and 833.75

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Solution

The third proportional to 472.38 and 833.75 is: 1,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.38 : 833.75 = 833.75 : x
  2. Step 2: Convert to fraction form
    472.38/833.75 = 833.75/x
  3. Step 3: Cross multiply
    472.38x = 833.75 × 833.75
  4. Step 4: Simplify right side
    472.38x = 695,139.06
  5. Step 5: Solve for x
    x = 695,139.06/472.38
  6. Step 6: Final answer
    x = 1,471.58

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.