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Finding the Third Proportional to 75,776 and 163,616

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Solution

The third proportional to 75,776 and 163,616 is: 353,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,776 : 163,616 = 163,616 : x
  2. Step 2: Convert to fraction form
    75,776/163,616 = 163,616/x
  3. Step 3: Cross multiply
    75,776x = 163,616 × 163,616
  4. Step 4: Simplify right side
    75,776x = 26,770,195,456
  5. Step 5: Solve for x
    x = 26,770,195,456/75,776
  6. Step 6: Final answer
    x = 353,280.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.