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Finding the Third Proportional to 56,416 and 122,952

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Solution

The third proportional to 56,416 and 122,952 is: 267,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416 : 122,952 = 122,952 : x
  2. Step 2: Convert to fraction form
    56,416/122,952 = 122,952/x
  3. Step 3: Cross multiply
    56,416x = 122,952 × 122,952
  4. Step 4: Simplify right side
    56,416x = 15,117,194,304
  5. Step 5: Solve for x
    x = 15,117,194,304/56,416
  6. Step 6: Final answer
    x = 267,959.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.