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Finding the Third Proportional to 43,157.25 and 68,700.94

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Solution

The third proportional to 43,157.25 and 68,700.94 is: 109,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.25 : 68,700.94 = 68,700.94 : x
  2. Step 2: Convert to fraction form
    43,157.25/68,700.94 = 68,700.94/x
  3. Step 3: Cross multiply
    43,157.25x = 68,700.94 × 68,700.94
  4. Step 4: Simplify right side
    43,157.25x = 4,719,818,813.38
  5. Step 5: Solve for x
    x = 4,719,818,813.38/43,157.25
  6. Step 6: Final answer
    x = 109,363.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.