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Finding the Third Proportional to 4,401,435 and 9,642,678

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Solution

The third proportional to 4,401,435 and 9,642,678 is: 21,125,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401,435 : 9,642,678 = 9,642,678 : x
  2. Step 2: Convert to fraction form
    4,401,435/9,642,678 = 9,642,678/x
  3. Step 3: Cross multiply
    4,401,435x = 9,642,678 × 9,642,678
  4. Step 4: Simplify right side
    4,401,435x = 92,981,239,011,684
  5. Step 5: Solve for x
    x = 92,981,239,011,684/4,401,435
  6. Step 6: Final answer
    x = 21,125,210.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.