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Finding the Third Proportional to 56,384 and 122,604

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Solution

The third proportional to 56,384 and 122,604 is: 266,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384 : 122,604 = 122,604 : x
  2. Step 2: Convert to fraction form
    56,384/122,604 = 122,604/x
  3. Step 3: Cross multiply
    56,384x = 122,604 × 122,604
  4. Step 4: Simplify right side
    56,384x = 15,031,740,816
  5. Step 5: Solve for x
    x = 15,031,740,816/56,384
  6. Step 6: Final answer
    x = 266,595.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.