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Finding the Third Proportional to 153,391.50 and 328,107

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Solution

The third proportional to 153,391.50 and 328,107 is: 701,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,391.50 : 328,107 = 328,107 : x
  2. Step 2: Convert to fraction form
    153,391.50/328,107 = 328,107/x
  3. Step 3: Cross multiply
    153,391.50x = 328,107 × 328,107
  4. Step 4: Simplify right side
    153,391.50x = 107,654,203,449
  5. Step 5: Solve for x
    x = 107,654,203,449/153,391.50
  6. Step 6: Final answer
    x = 701,826.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.