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Finding the Third Proportional to 521,025 and 779,350.50

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Solution

The third proportional to 521,025 and 779,350.50 is: 1,165,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,025 : 779,350.50 = 779,350.50 : x
  2. Step 2: Convert to fraction form
    521,025/779,350.50 = 779,350.50/x
  3. Step 3: Cross multiply
    521,025x = 779,350.50 × 779,350.50
  4. Step 4: Simplify right side
    521,025x = 607,387,201,850.25
  5. Step 5: Solve for x
    x = 607,387,201,850.25/521,025
  6. Step 6: Final answer
    x = 1,165,754.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.