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Finding the Third Proportional to 56,422.13 and 122,959.13

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Solution

The third proportional to 56,422.13 and 122,959.13 is: 267,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.13 : 122,959.13 = 122,959.13 : x
  2. Step 2: Convert to fraction form
    56,422.13/122,959.13 = 122,959.13/x
  3. Step 3: Cross multiply
    56,422.13x = 122,959.13 × 122,959.13
  4. Step 4: Simplify right side
    56,422.13x = 15,118,946,420.77
  5. Step 5: Solve for x
    x = 15,118,946,420.77/56,422.13
  6. Step 6: Final answer
    x = 267,961.31

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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.