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Finding the Third Proportional to 124,236.12 and 272,878.80

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Solution

The third proportional to 124,236.12 and 272,878.80 is: 599,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,236.12 : 272,878.80 = 272,878.80 : x
  2. Step 2: Convert to fraction form
    124,236.12/272,878.80 = 272,878.80/x
  3. Step 3: Cross multiply
    124,236.12x = 272,878.80 × 272,878.80
  4. Step 4: Simplify right side
    124,236.12x = 74,462,837,250.99
  5. Step 5: Solve for x
    x = 74,462,837,250.99/124,236.12
  6. Step 6: Final answer
    x = 599,365.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.