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Finding the Third Proportional to 55,632 and 119,688

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Solution

The third proportional to 55,632 and 119,688 is: 257,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632 : 119,688 = 119,688 : x
  2. Step 2: Convert to fraction form
    55,632/119,688 = 119,688/x
  3. Step 3: Cross multiply
    55,632x = 119,688 × 119,688
  4. Step 4: Simplify right side
    55,632x = 14,325,217,344
  5. Step 5: Solve for x
    x = 14,325,217,344/55,632
  6. Step 6: Final answer
    x = 257,499.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.