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Finding the Third Proportional to 4,548,380 and 9,864,189

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Solution

The third proportional to 4,548,380 and 9,864,189 is: 21,392,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548,380 : 9,864,189 = 9,864,189 : x
  2. Step 2: Convert to fraction form
    4,548,380/9,864,189 = 9,864,189/x
  3. Step 3: Cross multiply
    4,548,380x = 9,864,189 × 9,864,189
  4. Step 4: Simplify right side
    4,548,380x = 97,302,224,627,721
  5. Step 5: Solve for x
    x = 97,302,224,627,721/4,548,380
  6. Step 6: Final answer
    x = 21,392,721.06

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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.