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Finding the Third Proportional to 4,536,963 and 9,968,409

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Solution

The third proportional to 4,536,963 and 9,968,409 is: 21,902,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536,963 : 9,968,409 = 9,968,409 : x
  2. Step 2: Convert to fraction form
    4,536,963/9,968,409 = 9,968,409/x
  3. Step 3: Cross multiply
    4,536,963x = 9,968,409 × 9,968,409
  4. Step 4: Simplify right side
    4,536,963x = 99,369,177,991,281
  5. Step 5: Solve for x
    x = 99,369,177,991,281/4,536,963
  6. Step 6: Final answer
    x = 21,902,135.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.