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Finding the Third Proportional to 306,708 and 465,581

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Solution

The third proportional to 306,708 and 465,581 is: 706,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,708 : 465,581 = 465,581 : x
  2. Step 2: Convert to fraction form
    306,708/465,581 = 465,581/x
  3. Step 3: Cross multiply
    306,708x = 465,581 × 465,581
  4. Step 4: Simplify right side
    306,708x = 216,765,667,561
  5. Step 5: Solve for x
    x = 216,765,667,561/306,708
  6. Step 6: Final answer
    x = 706,749.31

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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.