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Finding the Third Proportional to 68,827.13 and 106,378.69

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Solution

The third proportional to 68,827.13 and 106,378.69 is: 164,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,827.13 : 106,378.69 = 106,378.69 : x
  2. Step 2: Convert to fraction form
    68,827.13/106,378.69 = 106,378.69/x
  3. Step 3: Cross multiply
    68,827.13x = 106,378.69 × 106,378.69
  4. Step 4: Simplify right side
    68,827.13x = 11,316,425,154.22
  5. Step 5: Solve for x
    x = 11,316,425,154.22/68,827.13
  6. Step 6: Final answer
    x = 164,418.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.