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Finding the Third Proportional to 113,930.72 and 245,391.19

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Solution

The third proportional to 113,930.72 and 245,391.19 is: 528,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,930.72 : 245,391.19 = 245,391.19 : x
  2. Step 2: Convert to fraction form
    113,930.72/245,391.19 = 245,391.19/x
  3. Step 3: Cross multiply
    113,930.72x = 245,391.19 × 245,391.19
  4. Step 4: Simplify right side
    113,930.72x = 60,216,834,902.66
  5. Step 5: Solve for x
    x = 60,216,834,902.66/113,930.72
  6. Step 6: Final answer
    x = 528,539.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.