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Finding the Third Proportional to 28,768 and 44,432

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Solution

The third proportional to 28,768 and 44,432 is: 68,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768 : 44,432 = 44,432 : x
  2. Step 2: Convert to fraction form
    28,768/44,432 = 44,432/x
  3. Step 3: Cross multiply
    28,768x = 44,432 × 44,432
  4. Step 4: Simplify right side
    28,768x = 1,974,202,624
  5. Step 5: Solve for x
    x = 1,974,202,624/28,768
  6. Step 6: Final answer
    x = 68,624.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.