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Finding the Third Proportional to 18,857,731.50 and 41,169,829.50

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Solution

The third proportional to 18,857,731.50 and 41,169,829.50 is: 89,881,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857,731.50 : 41,169,829.50 = 41,169,829.50 : x
  2. Step 2: Convert to fraction form
    18,857,731.50/41,169,829.50 = 41,169,829.50/x
  3. Step 3: Cross multiply
    18,857,731.50x = 41,169,829.50 × 41,169,829.50
  4. Step 4: Simplify right side
    18,857,731.50x = 1,694,954,861,059,070.25
  5. Step 5: Solve for x
    x = 1,694,954,861,059,070.25/18,857,731.50
  6. Step 6: Final answer
    x = 89,881,164.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.