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Finding the Third Proportional to 66,050.25 and 102,315.75

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Solution

The third proportional to 66,050.25 and 102,315.75 is: 158,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.25 : 102,315.75 = 102,315.75 : x
  2. Step 2: Convert to fraction form
    66,050.25/102,315.75 = 102,315.75/x
  3. Step 3: Cross multiply
    66,050.25x = 102,315.75 × 102,315.75
  4. Step 4: Simplify right side
    66,050.25x = 10,468,512,698.06
  5. Step 5: Solve for x
    x = 10,468,512,698.06/66,050.25
  6. Step 6: Final answer
    x = 158,493.16

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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.