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Finding the Third Proportional to 229,785 and 344,920.50

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Solution

The third proportional to 229,785 and 344,920.50 is: 517,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,785 : 344,920.50 = 344,920.50 : x
  2. Step 2: Convert to fraction form
    229,785/344,920.50 = 344,920.50/x
  3. Step 3: Cross multiply
    229,785x = 344,920.50 × 344,920.50
  4. Step 4: Simplify right side
    229,785x = 118,970,151,320.25
  5. Step 5: Solve for x
    x = 118,970,151,320.25/229,785
  6. Step 6: Final answer
    x = 517,745.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.