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Finding the Third Proportional to 18,975,312 and 40,832,496

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Solution

The third proportional to 18,975,312 and 40,832,496 is: 87,866,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975,312 : 40,832,496 = 40,832,496 : x
  2. Step 2: Convert to fraction form
    18,975,312/40,832,496 = 40,832,496/x
  3. Step 3: Cross multiply
    18,975,312x = 40,832,496 × 40,832,496
  4. Step 4: Simplify right side
    18,975,312x = 1,667,292,729,590,016
  5. Step 5: Solve for x
    x = 1,667,292,729,590,016/18,975,312
  6. Step 6: Final answer
    x = 87,866,419.78

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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.