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Finding the Third Proportional to 329,630 and 718,012

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Solution

The third proportional to 329,630 and 718,012 is: 1,563,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,630 : 718,012 = 718,012 : x
  2. Step 2: Convert to fraction form
    329,630/718,012 = 718,012/x
  3. Step 3: Cross multiply
    329,630x = 718,012 × 718,012
  4. Step 4: Simplify right side
    329,630x = 515,541,232,144
  5. Step 5: Solve for x
    x = 515,541,232,144/329,630
  6. Step 6: Final answer
    x = 1,563,999.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.