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Finding the Third Proportional to 245,440.13 and 360,078.75

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Solution

The third proportional to 245,440.13 and 360,078.75 is: 528,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,440.13 : 360,078.75 = 360,078.75 : x
  2. Step 2: Convert to fraction form
    245,440.13/360,078.75 = 360,078.75/x
  3. Step 3: Cross multiply
    245,440.13x = 360,078.75 × 360,078.75
  4. Step 4: Simplify right side
    245,440.13x = 129,656,706,201.56
  5. Step 5: Solve for x
    x = 129,656,706,201.56/245,440.13
  6. Step 6: Final answer
    x = 528,262.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.