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Finding the Third Proportional to 10,868,911.50 and 22,209,729

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Solution

The third proportional to 10,868,911.50 and 22,209,729 is: 45,383,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,911.50 : 22,209,729 = 22,209,729 : x
  2. Step 2: Convert to fraction form
    10,868,911.50/22,209,729 = 22,209,729/x
  3. Step 3: Cross multiply
    10,868,911.50x = 22,209,729 × 22,209,729
  4. Step 4: Simplify right side
    10,868,911.50x = 493,272,062,253,441
  5. Step 5: Solve for x
    x = 493,272,062,253,441/10,868,911.50
  6. Step 6: Final answer
    x = 45,383,759.20

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.