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Finding the Third Proportional to 18,267,795 and 39,291,210

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Solution

The third proportional to 18,267,795 and 39,291,210 is: 84,509,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,795 : 39,291,210 = 39,291,210 : x
  2. Step 2: Convert to fraction form
    18,267,795/39,291,210 = 39,291,210/x
  3. Step 3: Cross multiply
    18,267,795x = 39,291,210 × 39,291,210
  4. Step 4: Simplify right side
    18,267,795x = 1,543,799,183,264,100
  5. Step 5: Solve for x
    x = 1,543,799,183,264,100/18,267,795
  6. Step 6: Final answer
    x = 84,509,333.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.