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Finding the Third Proportional to 4,486,579 and 9,785,197

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Solution

The third proportional to 4,486,579 and 9,785,197 is: 21,341,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,579 : 9,785,197 = 9,785,197 : x
  2. Step 2: Convert to fraction form
    4,486,579/9,785,197 = 9,785,197/x
  3. Step 3: Cross multiply
    4,486,579x = 9,785,197 × 9,785,197
  4. Step 4: Simplify right side
    4,486,579x = 95,750,080,328,809
  5. Step 5: Solve for x
    x = 95,750,080,328,809/4,486,579
  6. Step 6: Final answer
    x = 21,341,445.30

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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.