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Finding the Third Proportional to 8,857,856 and 19,136,128

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Solution

The third proportional to 8,857,856 and 19,136,128 is: 41,340,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,856 : 19,136,128 = 19,136,128 : x
  2. Step 2: Convert to fraction form
    8,857,856/19,136,128 = 19,136,128/x
  3. Step 3: Cross multiply
    8,857,856x = 19,136,128 × 19,136,128
  4. Step 4: Simplify right side
    8,857,856x = 366,191,394,832,384
  5. Step 5: Solve for x
    x = 366,191,394,832,384/8,857,856
  6. Step 6: Final answer
    x = 41,340,861.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.