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Finding the Third Proportional to 81,419,460 and 175,593,176

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Solution

The third proportional to 81,419,460 and 175,593,176 is: 378,692,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,419,460 : 175,593,176 = 175,593,176 : x
  2. Step 2: Convert to fraction form
    81,419,460/175,593,176 = 175,593,176/x
  3. Step 3: Cross multiply
    81,419,460x = 175,593,176 × 175,593,176
  4. Step 4: Simplify right side
    81,419,460x = 30,832,963,457,766,976
  5. Step 5: Solve for x
    x = 30,832,963,457,766,976/81,419,460
  6. Step 6: Final answer
    x = 378,692,802.16

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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.