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Finding the Third Proportional to 5,548,239 and 8,705,721

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Solution

The third proportional to 5,548,239 and 8,705,721 is: 13,660,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548,239 : 8,705,721 = 8,705,721 : x
  2. Step 2: Convert to fraction form
    5,548,239/8,705,721 = 8,705,721/x
  3. Step 3: Cross multiply
    5,548,239x = 8,705,721 × 8,705,721
  4. Step 4: Simplify right side
    5,548,239x = 75,789,578,129,841
  5. Step 5: Solve for x
    x = 75,789,578,129,841/5,548,239
  6. Step 6: Final answer
    x = 13,660,114.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.