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Finding the Third Proportional to 43,441,356 and 85,786,200

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Solution

The third proportional to 43,441,356 and 85,786,200 is: 169,407,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,441,356 : 85,786,200 = 85,786,200 : x
  2. Step 2: Convert to fraction form
    43,441,356/85,786,200 = 85,786,200/x
  3. Step 3: Cross multiply
    43,441,356x = 85,786,200 × 85,786,200
  4. Step 4: Simplify right side
    43,441,356x = 7,359,272,110,440,000
  5. Step 5: Solve for x
    x = 7,359,272,110,440,000/43,441,356
  6. Step 6: Final answer
    x = 169,407,053.28

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.