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Finding the Third Proportional to 18,486,213 and 39,895,350

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Solution

The third proportional to 18,486,213 and 39,895,350 is: 86,098,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,213 : 39,895,350 = 39,895,350 : x
  2. Step 2: Convert to fraction form
    18,486,213/39,895,350 = 39,895,350/x
  3. Step 3: Cross multiply
    18,486,213x = 39,895,350 × 39,895,350
  4. Step 4: Simplify right side
    18,486,213x = 1,591,638,951,622,500
  5. Step 5: Solve for x
    x = 1,591,638,951,622,500/18,486,213
  6. Step 6: Final answer
    x = 86,098,702.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.