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Finding the Third Proportional to 386,376.75 and 568,390.50

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Solution

The third proportional to 386,376.75 and 568,390.50 is: 836,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,376.75 : 568,390.50 = 568,390.50 : x
  2. Step 2: Convert to fraction form
    386,376.75/568,390.50 = 568,390.50/x
  3. Step 3: Cross multiply
    386,376.75x = 568,390.50 × 568,390.50
  4. Step 4: Simplify right side
    386,376.75x = 323,067,760,490.25
  5. Step 5: Solve for x
    x = 323,067,760,490.25/386,376.75
  6. Step 6: Final answer
    x = 836,147.00

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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.