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Finding the Third Proportional to 68,966.44 and 92,681.72

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Solution

The third proportional to 68,966.44 and 92,681.72 is: 124,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,966.44 : 92,681.72 = 92,681.72 : x
  2. Step 2: Convert to fraction form
    68,966.44/92,681.72 = 92,681.72/x
  3. Step 3: Cross multiply
    68,966.44x = 92,681.72 × 92,681.72
  4. Step 4: Simplify right side
    68,966.44x = 8,589,900,990.45
  5. Step 5: Solve for x
    x = 8,589,900,990.45/68,966.44
  6. Step 6: Final answer
    x = 124,551.90

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.