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Finding the Third Proportional to 91,873,865 and 200,438,473

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Solution

The third proportional to 91,873,865 and 200,438,473 is: 437,290,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873,865 : 200,438,473 = 200,438,473 : x
  2. Step 2: Convert to fraction form
    91,873,865/200,438,473 = 200,438,473/x
  3. Step 3: Cross multiply
    91,873,865x = 200,438,473 × 200,438,473
  4. Step 4: Simplify right side
    91,873,865x = 40,175,581,458,571,728
  5. Step 5: Solve for x
    x = 40,175,581,458,571,728/91,873,865
  6. Step 6: Final answer
    x = 437,290,642.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.