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Finding the Third Proportional to 111,420.56 and 240,166.13

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Solution

The third proportional to 111,420.56 and 240,166.13 is: 517,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,420.56 : 240,166.13 = 240,166.13 : x
  2. Step 2: Convert to fraction form
    111,420.56/240,166.13 = 240,166.13/x
  3. Step 3: Cross multiply
    111,420.56x = 240,166.13 × 240,166.13
  4. Step 4: Simplify right side
    111,420.56x = 57,679,767,597.52
  5. Step 5: Solve for x
    x = 57,679,767,597.52/111,420.56
  6. Step 6: Final answer
    x = 517,676.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.