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Finding the Third Proportional to 18,181,135.50 and 39,195,813

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Solution

The third proportional to 18,181,135.50 and 39,195,813 is: 84,500,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,135.50 : 39,195,813 = 39,195,813 : x
  2. Step 2: Convert to fraction form
    18,181,135.50/39,195,813 = 39,195,813/x
  3. Step 3: Cross multiply
    18,181,135.50x = 39,195,813 × 39,195,813
  4. Step 4: Simplify right side
    18,181,135.50x = 1,536,311,756,730,969
  5. Step 5: Solve for x
    x = 1,536,311,756,730,969/18,181,135.50
  6. Step 6: Final answer
    x = 84,500,319.40

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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.