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Finding the Third Proportional to 56,115.28 and 124,686.84

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Solution

The third proportional to 56,115.28 and 124,686.84 is: 277,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.28 : 124,686.84 = 124,686.84 : x
  2. Step 2: Convert to fraction form
    56,115.28/124,686.84 = 124,686.84/x
  3. Step 3: Cross multiply
    56,115.28x = 124,686.84 × 124,686.84
  4. Step 4: Simplify right side
    56,115.28x = 15,546,809,004.34
  5. Step 5: Solve for x
    x = 15,546,809,004.34/56,115.28
  6. Step 6: Final answer
    x = 277,051.25

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.