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Finding the Third Proportional to 36,857,845.50 and 79,980,805.50

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Solution

The third proportional to 36,857,845.50 and 79,980,805.50 is: 173,556,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857,845.50 : 79,980,805.50 = 79,980,805.50 : x
  2. Step 2: Convert to fraction form
    36,857,845.50/79,980,805.50 = 79,980,805.50/x
  3. Step 3: Cross multiply
    36,857,845.50x = 79,980,805.50 × 79,980,805.50
  4. Step 4: Simplify right side
    36,857,845.50x = 6,396,929,248,428,830
  5. Step 5: Solve for x
    x = 6,396,929,248,428,830/36,857,845.50
  6. Step 6: Final answer
    x = 173,556,787.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.