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Finding the Third Proportional to 329,472 and 718,080

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Solution

The third proportional to 329,472 and 718,080 is: 1,565,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,472 : 718,080 = 718,080 : x
  2. Step 2: Convert to fraction form
    329,472/718,080 = 718,080/x
  3. Step 3: Cross multiply
    329,472x = 718,080 × 718,080
  4. Step 4: Simplify right side
    329,472x = 515,638,886,400
  5. Step 5: Solve for x
    x = 515,638,886,400/329,472
  6. Step 6: Final answer
    x = 1,565,046.15

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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.