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Finding the Third Proportional to 502,021.50 and 764,787

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Solution

The third proportional to 502,021.50 and 764,787 is: 1,165,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,021.50 : 764,787 = 764,787 : x
  2. Step 2: Convert to fraction form
    502,021.50/764,787 = 764,787/x
  3. Step 3: Cross multiply
    502,021.50x = 764,787 × 764,787
  4. Step 4: Simplify right side
    502,021.50x = 584,899,155,369
  5. Step 5: Solve for x
    x = 584,899,155,369/502,021.50
  6. Step 6: Final answer
    x = 1,165,087.86

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.