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Finding the Third Proportional to 18,869,588 and 41,272,216

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Solution

The third proportional to 18,869,588 and 41,272,216 is: 90,272,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,588 : 41,272,216 = 41,272,216 : x
  2. Step 2: Convert to fraction form
    18,869,588/41,272,216 = 41,272,216/x
  3. Step 3: Cross multiply
    18,869,588x = 41,272,216 × 41,272,216
  4. Step 4: Simplify right side
    18,869,588x = 1,703,395,813,550,656
  5. Step 5: Solve for x
    x = 1,703,395,813,550,656/18,869,588
  6. Step 6: Final answer
    x = 90,272,019.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.