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Finding the Third Proportional to 1,552,721 and 3,378,817

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Solution

The third proportional to 1,552,721 and 3,378,817 is: 7,352,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,721 : 3,378,817 = 3,378,817 : x
  2. Step 2: Convert to fraction form
    1,552,721/3,378,817 = 3,378,817/x
  3. Step 3: Cross multiply
    1,552,721x = 3,378,817 × 3,378,817
  4. Step 4: Simplify right side
    1,552,721x = 11,416,404,319,489
  5. Step 5: Solve for x
    x = 11,416,404,319,489/1,552,721
  6. Step 6: Final answer
    x = 7,352,514.92

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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.