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Finding the Third Proportional to 69,930 and 151,065

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Solution

The third proportional to 69,930 and 151,065 is: 326,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930 : 151,065 = 151,065 : x
  2. Step 2: Convert to fraction form
    69,930/151,065 = 151,065/x
  3. Step 3: Cross multiply
    69,930x = 151,065 × 151,065
  4. Step 4: Simplify right side
    69,930x = 22,820,634,225
  5. Step 5: Solve for x
    x = 22,820,634,225/69,930
  6. Step 6: Final answer
    x = 326,335.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.