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Finding the Third Proportional to 44,280 and 86,319

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Solution

The third proportional to 44,280 and 86,319 is: 168,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,280 : 86,319 = 86,319 : x
  2. Step 2: Convert to fraction form
    44,280/86,319 = 86,319/x
  3. Step 3: Cross multiply
    44,280x = 86,319 × 86,319
  4. Step 4: Simplify right side
    44,280x = 7,450,969,761
  5. Step 5: Solve for x
    x = 7,450,969,761/44,280
  6. Step 6: Final answer
    x = 168,269.42

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.