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Finding the Third Proportional to 28,142 and 44,564

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Solution

The third proportional to 28,142 and 44,564 is: 70,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142 : 44,564 = 44,564 : x
  2. Step 2: Convert to fraction form
    28,142/44,564 = 44,564/x
  3. Step 3: Cross multiply
    28,142x = 44,564 × 44,564
  4. Step 4: Simplify right side
    28,142x = 1,985,950,096
  5. Step 5: Solve for x
    x = 1,985,950,096/28,142
  6. Step 6: Final answer
    x = 70,568.90

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.