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Finding the Third Proportional to 69,114,456 and 149,311,332

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Solution

The third proportional to 69,114,456 and 149,311,332 is: 322,564,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114,456 : 149,311,332 = 149,311,332 : x
  2. Step 2: Convert to fraction form
    69,114,456/149,311,332 = 149,311,332/x
  3. Step 3: Cross multiply
    69,114,456x = 149,311,332 × 149,311,332
  4. Step 4: Simplify right side
    69,114,456x = 22,293,873,863,614,224
  5. Step 5: Solve for x
    x = 22,293,873,863,614,224/69,114,456
  6. Step 6: Final answer
    x = 322,564,556.73

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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.