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Finding the Third Proportional to 1,214,472,715 and 1,865,903,098

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Solution

The third proportional to 1,214,472,715 and 1,865,903,098 is: 2,866,753,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,472,715 : 1,865,903,098 = 1,865,903,098 : x
  2. Step 2: Convert to fraction form
    1,214,472,715/1,865,903,098 = 1,865,903,098/x
  3. Step 3: Cross multiply
    1,214,472,715x = 1,865,903,098 × 1,865,903,098
  4. Step 4: Simplify right side
    1,214,472,715x = 3,481,594,371,125,997,568
  5. Step 5: Solve for x
    x = 3,481,594,371,125,997,568/1,214,472,715
  6. Step 6: Final answer
    x = 2,866,753,882.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.