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Finding the Third Proportional to 295,612 and 458,668

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Solution

The third proportional to 295,612 and 458,668 is: 711,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,612 : 458,668 = 458,668 : x
  2. Step 2: Convert to fraction form
    295,612/458,668 = 458,668/x
  3. Step 3: Cross multiply
    295,612x = 458,668 × 458,668
  4. Step 4: Simplify right side
    295,612x = 210,376,334,224
  5. Step 5: Solve for x
    x = 210,376,334,224/295,612
  6. Step 6: Final answer
    x = 711,663.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.