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Finding the Third Proportional to 81,701,732 and 176,314,820

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Solution

The third proportional to 81,701,732 and 176,314,820 is: 380,492,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,701,732 : 176,314,820 = 176,314,820 : x
  2. Step 2: Convert to fraction form
    81,701,732/176,314,820 = 176,314,820/x
  3. Step 3: Cross multiply
    81,701,732x = 176,314,820 × 176,314,820
  4. Step 4: Simplify right side
    81,701,732x = 31,086,915,751,632,400
  5. Step 5: Solve for x
    x = 31,086,915,751,632,400/81,701,732
  6. Step 6: Final answer
    x = 380,492,738.53

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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.