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Finding the Third Proportional to 360,699 and 769,650

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Solution

The third proportional to 360,699 and 769,650 is: 1,642,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,699 : 769,650 = 769,650 : x
  2. Step 2: Convert to fraction form
    360,699/769,650 = 769,650/x
  3. Step 3: Cross multiply
    360,699x = 769,650 × 769,650
  4. Step 4: Simplify right side
    360,699x = 592,361,122,500
  5. Step 5: Solve for x
    x = 592,361,122,500/360,699
  6. Step 6: Final answer
    x = 1,642,258.84

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.