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Finding the Third Proportional to 728,208 and 1,548,270

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Solution

The third proportional to 728,208 and 1,548,270 is: 3,291,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,208 : 1,548,270 = 1,548,270 : x
  2. Step 2: Convert to fraction form
    728,208/1,548,270 = 1,548,270/x
  3. Step 3: Cross multiply
    728,208x = 1,548,270 × 1,548,270
  4. Step 4: Simplify right side
    728,208x = 2,397,139,992,900
  5. Step 5: Solve for x
    x = 2,397,139,992,900/728,208
  6. Step 6: Final answer
    x = 3,291,834.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.