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Finding the Third Proportional to 81,701,720 and 176,314,799

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Solution

The third proportional to 81,701,720 and 176,314,799 is: 380,492,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,701,720 : 176,314,799 = 176,314,799 : x
  2. Step 2: Convert to fraction form
    81,701,720/176,314,799 = 176,314,799/x
  3. Step 3: Cross multiply
    81,701,720x = 176,314,799 × 176,314,799
  4. Step 4: Simplify right side
    81,701,720x = 31,086,908,346,410,400
  5. Step 5: Solve for x
    x = 31,086,908,346,410,400/81,701,720
  6. Step 6: Final answer
    x = 380,492,703.78

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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.