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Finding the Third Proportional to 4,228 and 7,934

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Solution

The third proportional to 4,228 and 7,934 is: 14,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228 : 7,934 = 7,934 : x
  2. Step 2: Convert to fraction form
    4,228/7,934 = 7,934/x
  3. Step 3: Cross multiply
    4,228x = 7,934 × 7,934
  4. Step 4: Simplify right side
    4,228x = 62,948,356
  5. Step 5: Solve for x
    x = 62,948,356/4,228
  6. Step 6: Final answer
    x = 14,888.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.