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Finding the Third Proportional to 67,975.87 and 148,139.08

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Solution

The third proportional to 67,975.87 and 148,139.08 is: 322,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,975.87 : 148,139.08 = 148,139.08 : x
  2. Step 2: Convert to fraction form
    67,975.87/148,139.08 = 148,139.08/x
  3. Step 3: Cross multiply
    67,975.87x = 148,139.08 × 148,139.08
  4. Step 4: Simplify right side
    67,975.87x = 21,945,187,805.89
  5. Step 5: Solve for x
    x = 21,945,187,805.89/67,975.87
  6. Step 6: Final answer
    x = 322,837.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.