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Finding the Third Proportional to 15,260 and 20,332

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Solution

The third proportional to 15,260 and 20,332 is: 27,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260 : 20,332 = 20,332 : x
  2. Step 2: Convert to fraction form
    15,260/20,332 = 20,332/x
  3. Step 3: Cross multiply
    15,260x = 20,332 × 20,332
  4. Step 4: Simplify right side
    15,260x = 413,390,224
  5. Step 5: Solve for x
    x = 413,390,224/15,260
  6. Step 6: Final answer
    x = 27,089.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.