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Finding the Third Proportional to 245,359.13 and 359,938.69

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Solution

The third proportional to 245,359.13 and 359,938.69 is: 528,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,359.13 : 359,938.69 = 359,938.69 : x
  2. Step 2: Convert to fraction form
    245,359.13/359,938.69 = 359,938.69/x
  3. Step 3: Cross multiply
    245,359.13x = 359,938.69 × 359,938.69
  4. Step 4: Simplify right side
    245,359.13x = 129,555,858,759.22
  5. Step 5: Solve for x
    x = 129,555,858,759.22/245,359.13
  6. Step 6: Final answer
    x = 528,025.44

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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.