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Finding the Third Proportional to 333,574 and 491,538

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Solution

The third proportional to 333,574 and 491,538 is: 724,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,574 : 491,538 = 491,538 : x
  2. Step 2: Convert to fraction form
    333,574/491,538 = 491,538/x
  3. Step 3: Cross multiply
    333,574x = 491,538 × 491,538
  4. Step 4: Simplify right side
    333,574x = 241,609,605,444
  5. Step 5: Solve for x
    x = 241,609,605,444/333,574
  6. Step 6: Final answer
    x = 724,305.87

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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.