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Finding the Third Proportional to 42,863.87 and 66,750.01

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Solution

The third proportional to 42,863.87 and 66,750.01 is: 103,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.87 : 66,750.01 = 66,750.01 : x
  2. Step 2: Convert to fraction form
    42,863.87/66,750.01 = 66,750.01/x
  3. Step 3: Cross multiply
    42,863.87x = 66,750.01 × 66,750.01
  4. Step 4: Simplify right side
    42,863.87x = 4,455,564,064.45
  5. Step 5: Solve for x
    x = 4,455,564,064.45/42,863.87
  6. Step 6: Final answer
    x = 103,946.84

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.