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Finding the Third Proportional to 66,802 and 103,578

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Solution

The third proportional to 66,802 and 103,578 is: 160,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802 : 103,578 = 103,578 : x
  2. Step 2: Convert to fraction form
    66,802/103,578 = 103,578/x
  3. Step 3: Cross multiply
    66,802x = 103,578 × 103,578
  4. Step 4: Simplify right side
    66,802x = 10,728,402,084
  5. Step 5: Solve for x
    x = 10,728,402,084/66,802
  6. Step 6: Final answer
    x = 160,600.01

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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.