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Finding the Third Proportional to 18,291,175 and 39,011,630

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Solution

The third proportional to 18,291,175 and 39,011,630 is: 83,204,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,175 : 39,011,630 = 39,011,630 : x
  2. Step 2: Convert to fraction form
    18,291,175/39,011,630 = 39,011,630/x
  3. Step 3: Cross multiply
    18,291,175x = 39,011,630 × 39,011,630
  4. Step 4: Simplify right side
    18,291,175x = 1,521,907,275,256,900
  5. Step 5: Solve for x
    x = 1,521,907,275,256,900/18,291,175
  6. Step 6: Final answer
    x = 83,204,456.53

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.