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Finding the Third Proportional to 386,369.50 and 568,378.25

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Solution

The third proportional to 386,369.50 and 568,378.25 is: 836,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,369.50 : 568,378.25 = 568,378.25 : x
  2. Step 2: Convert to fraction form
    386,369.50/568,378.25 = 568,378.25/x
  3. Step 3: Cross multiply
    386,369.50x = 568,378.25 × 568,378.25
  4. Step 4: Simplify right side
    386,369.50x = 323,053,835,073.06
  5. Step 5: Solve for x
    x = 323,053,835,073.06/386,369.50
  6. Step 6: Final answer
    x = 836,126.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.