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Finding the Third Proportional to 68,313.38 and 103,422.94

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Solution

The third proportional to 68,313.38 and 103,422.94 is: 156,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.38 : 103,422.94 = 103,422.94 : x
  2. Step 2: Convert to fraction form
    68,313.38/103,422.94 = 103,422.94/x
  3. Step 3: Cross multiply
    68,313.38x = 103,422.94 × 103,422.94
  4. Step 4: Simplify right side
    68,313.38x = 10,696,304,001.13
  5. Step 5: Solve for x
    x = 10,696,304,001.13/68,313.38
  6. Step 6: Final answer
    x = 156,577.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.