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Finding the Third Proportional to 330,802.31 and 717,616.13

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Solution

The third proportional to 330,802.31 and 717,616.13 is: 1,556,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,802.31 : 717,616.13 = 717,616.13 : x
  2. Step 2: Convert to fraction form
    330,802.31/717,616.13 = 717,616.13/x
  3. Step 3: Cross multiply
    330,802.31x = 717,616.13 × 717,616.13
  4. Step 4: Simplify right side
    330,802.31x = 514,972,902,860.02
  5. Step 5: Solve for x
    x = 514,972,902,860.02/330,802.31
  6. Step 6: Final answer
    x = 1,556,739.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.