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Finding the Third Proportional to 8,926,921.50 and 13,355,786.25

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Solution

The third proportional to 8,926,921.50 and 13,355,786.25 is: 19,981,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926,921.50 : 13,355,786.25 = 13,355,786.25 : x
  2. Step 2: Convert to fraction form
    8,926,921.50/13,355,786.25 = 13,355,786.25/x
  3. Step 3: Cross multiply
    8,926,921.50x = 13,355,786.25 × 13,355,786.25
  4. Step 4: Simplify right side
    8,926,921.50x = 178,377,026,355,689.06
  5. Step 5: Solve for x
    x = 178,377,026,355,689.06/8,926,921.50
  6. Step 6: Final answer
    x = 19,981,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.