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Finding the Third Proportional to 42,531.75 and 92,715.75

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Solution

The third proportional to 42,531.75 and 92,715.75 is: 202,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.75 : 92,715.75 = 92,715.75 : x
  2. Step 2: Convert to fraction form
    42,531.75/92,715.75 = 92,715.75/x
  3. Step 3: Cross multiply
    42,531.75x = 92,715.75 × 92,715.75
  4. Step 4: Simplify right side
    42,531.75x = 8,596,210,298.06
  5. Step 5: Solve for x
    x = 8,596,210,298.06/42,531.75
  6. Step 6: Final answer
    x = 202,112.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.