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Finding the Third Proportional to 101,310.75 and 220,459.13

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Solution

The third proportional to 101,310.75 and 220,459.13 is: 479,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,310.75 : 220,459.13 = 220,459.13 : x
  2. Step 2: Convert to fraction form
    101,310.75/220,459.13 = 220,459.13/x
  3. Step 3: Cross multiply
    101,310.75x = 220,459.13 × 220,459.13
  4. Step 4: Simplify right side
    101,310.75x = 48,602,225,795.77
  5. Step 5: Solve for x
    x = 48,602,225,795.77/101,310.75
  6. Step 6: Final answer
    x = 479,734.14

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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.