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Finding the Third Proportional to 40,003,791 and 87,276,105

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Solution

The third proportional to 40,003,791 and 87,276,105 is: 190,409,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003,791 : 87,276,105 = 87,276,105 : x
  2. Step 2: Convert to fraction form
    40,003,791/87,276,105 = 87,276,105/x
  3. Step 3: Cross multiply
    40,003,791x = 87,276,105 × 87,276,105
  4. Step 4: Simplify right side
    40,003,791x = 7,617,118,503,971,025
  5. Step 5: Solve for x
    x = 7,617,118,503,971,025/40,003,791
  6. Step 6: Final answer
    x = 190,409,916.50

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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.