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Finding the Third Proportional to 17,811,931 and 38,903,266

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Solution

The third proportional to 17,811,931 and 38,903,266 is: 84,969,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811,931 : 38,903,266 = 38,903,266 : x
  2. Step 2: Convert to fraction form
    17,811,931/38,903,266 = 38,903,266/x
  3. Step 3: Cross multiply
    17,811,931x = 38,903,266 × 38,903,266
  4. Step 4: Simplify right side
    17,811,931x = 1,513,464,105,466,756
  5. Step 5: Solve for x
    x = 1,513,464,105,466,756/17,811,931
  6. Step 6: Final answer
    x = 84,969,120.16

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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.