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Finding the Third Proportional to 909.25 and 1,332.38

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Solution

The third proportional to 909.25 and 1,332.38 is: 1,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909.25 : 1,332.38 = 1,332.38 : x
  2. Step 2: Convert to fraction form
    909.25/1,332.38 = 1,332.38/x
  3. Step 3: Cross multiply
    909.25x = 1,332.38 × 1,332.38
  4. Step 4: Simplify right side
    909.25x = 1,775,223.14
  5. Step 5: Solve for x
    x = 1,775,223.14/909.25
  6. Step 6: Final answer
    x = 1,952.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.