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Finding the Third Proportional to 502,365 and 702,687.75

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Solution

The third proportional to 502,365 and 702,687.75 is: 982,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,365 : 702,687.75 = 702,687.75 : x
  2. Step 2: Convert to fraction form
    502,365/702,687.75 = 702,687.75/x
  3. Step 3: Cross multiply
    502,365x = 702,687.75 × 702,687.75
  4. Step 4: Simplify right side
    502,365x = 493,770,074,000.06
  5. Step 5: Solve for x
    x = 493,770,074,000.06/502,365
  6. Step 6: Final answer
    x = 982,891.07

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.