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Finding the Third Proportional to 310,324.50 and 725,217

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Solution

The third proportional to 310,324.50 and 725,217 is: 1,694,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,324.50 : 725,217 = 725,217 : x
  2. Step 2: Convert to fraction form
    310,324.50/725,217 = 725,217/x
  3. Step 3: Cross multiply
    310,324.50x = 725,217 × 725,217
  4. Step 4: Simplify right side
    310,324.50x = 525,939,697,089
  5. Step 5: Solve for x
    x = 525,939,697,089/310,324.50
  6. Step 6: Final answer
    x = 1,694,805.59

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.