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Finding the Third Proportional to 4,401,388 and 9,332,678

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Solution

The third proportional to 4,401,388 and 9,332,678 is: 19,788,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401,388 : 9,332,678 = 9,332,678 : x
  2. Step 2: Convert to fraction form
    4,401,388/9,332,678 = 9,332,678/x
  3. Step 3: Cross multiply
    4,401,388x = 9,332,678 × 9,332,678
  4. Step 4: Simplify right side
    4,401,388x = 87,098,878,651,684
  5. Step 5: Solve for x
    x = 87,098,878,651,684/4,401,388
  6. Step 6: Final answer
    x = 19,788,957.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.