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Finding the Third Proportional to 18,073,984 and 39,787,136

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Solution

The third proportional to 18,073,984 and 39,787,136 is: 87,585,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073,984 : 39,787,136 = 39,787,136 : x
  2. Step 2: Convert to fraction form
    18,073,984/39,787,136 = 39,787,136/x
  3. Step 3: Cross multiply
    18,073,984x = 39,787,136 × 39,787,136
  4. Step 4: Simplify right side
    18,073,984x = 1,583,016,191,082,496
  5. Step 5: Solve for x
    x = 1,583,016,191,082,496/18,073,984
  6. Step 6: Final answer
    x = 87,585,348.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.