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Finding the Third Proportional to 147,382.88 and 315,795.38

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Solution

The third proportional to 147,382.88 and 315,795.38 is: 676,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,382.88 : 315,795.38 = 315,795.38 : x
  2. Step 2: Convert to fraction form
    147,382.88/315,795.38 = 315,795.38/x
  3. Step 3: Cross multiply
    147,382.88x = 315,795.38 × 315,795.38
  4. Step 4: Simplify right side
    147,382.88x = 99,726,718,871.39
  5. Step 5: Solve for x
    x = 99,726,718,871.39/147,382.88
  6. Step 6: Final answer
    x = 676,650.65

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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.