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Finding the Third Proportional to 4,899,579 and 7,617,207

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Solution

The third proportional to 4,899,579 and 7,617,207 is: 11,842,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899,579 : 7,617,207 = 7,617,207 : x
  2. Step 2: Convert to fraction form
    4,899,579/7,617,207 = 7,617,207/x
  3. Step 3: Cross multiply
    4,899,579x = 7,617,207 × 7,617,207
  4. Step 4: Simplify right side
    4,899,579x = 58,021,842,480,849
  5. Step 5: Solve for x
    x = 58,021,842,480,849/4,899,579
  6. Step 6: Final answer
    x = 11,842,209.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.