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Finding the Third Proportional to 81,913,713 and 175,983,807

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Solution

The third proportional to 81,913,713 and 175,983,807 is: 378,084,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,913,713 : 175,983,807 = 175,983,807 : x
  2. Step 2: Convert to fraction form
    81,913,713/175,983,807 = 175,983,807/x
  3. Step 3: Cross multiply
    81,913,713x = 175,983,807 × 175,983,807
  4. Step 4: Simplify right side
    81,913,713x = 30,970,300,326,213,248
  5. Step 5: Solve for x
    x = 30,970,300,326,213,248/81,913,713
  6. Step 6: Final answer
    x = 378,084,440.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.