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Finding the Third Proportional to 68,988.38 and 149,050.13

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Solution

The third proportional to 68,988.38 and 149,050.13 is: 322,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.38 : 149,050.13 = 149,050.13 : x
  2. Step 2: Convert to fraction form
    68,988.38/149,050.13 = 149,050.13/x
  3. Step 3: Cross multiply
    68,988.38x = 149,050.13 × 149,050.13
  4. Step 4: Simplify right side
    68,988.38x = 22,215,939,762.52
  5. Step 5: Solve for x
    x = 22,215,939,762.52/68,988.38
  6. Step 6: Final answer
    x = 322,024.40

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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.