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Finding the Third Proportional to 8,636,149.13 and 18,468,040.50

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Solution

The third proportional to 8,636,149.13 and 18,468,040.50 is: 39,493,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,149.13 : 18,468,040.50 = 18,468,040.50 : x
  2. Step 2: Convert to fraction form
    8,636,149.13/18,468,040.50 = 18,468,040.50/x
  3. Step 3: Cross multiply
    8,636,149.13x = 18,468,040.50 × 18,468,040.50
  4. Step 4: Simplify right side
    8,636,149.13x = 341,068,519,909,640.25
  5. Step 5: Solve for x
    x = 341,068,519,909,640.25/8,636,149.13
  6. Step 6: Final answer
    x = 39,493,125.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.