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Finding the Third Proportional to 18,661,594 and 40,910,415

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Solution

The third proportional to 18,661,594 and 40,910,415 is: 89,684,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,594 : 40,910,415 = 40,910,415 : x
  2. Step 2: Convert to fraction form
    18,661,594/40,910,415 = 40,910,415/x
  3. Step 3: Cross multiply
    18,661,594x = 40,910,415 × 40,910,415
  4. Step 4: Simplify right side
    18,661,594x = 1,673,662,055,472,225
  5. Step 5: Solve for x
    x = 1,673,662,055,472,225/18,661,594
  6. Step 6: Final answer
    x = 89,684,839.11

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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.