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Finding the Third Proportional to 7,228 and 9,442

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Solution

The third proportional to 7,228 and 9,442 is: 12,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228 : 9,442 = 9,442 : x
  2. Step 2: Convert to fraction form
    7,228/9,442 = 9,442/x
  3. Step 3: Cross multiply
    7,228x = 9,442 × 9,442
  4. Step 4: Simplify right side
    7,228x = 89,151,364
  5. Step 5: Solve for x
    x = 89,151,364/7,228
  6. Step 6: Final answer
    x = 12,334.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.