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Finding the Third Proportional to 28,482 and 40,424

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Solution

The third proportional to 28,482 and 40,424 is: 57,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482 : 40,424 = 40,424 : x
  2. Step 2: Convert to fraction form
    28,482/40,424 = 40,424/x
  3. Step 3: Cross multiply
    28,482x = 40,424 × 40,424
  4. Step 4: Simplify right side
    28,482x = 1,634,099,776
  5. Step 5: Solve for x
    x = 1,634,099,776/28,482
  6. Step 6: Final answer
    x = 57,373.07

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.