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Finding the Third Proportional to 64,220,976 and 91,548,384

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Solution

The third proportional to 64,220,976 and 91,548,384 is: 130,504,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220,976 : 91,548,384 = 91,548,384 : x
  2. Step 2: Convert to fraction form
    64,220,976/91,548,384 = 91,548,384/x
  3. Step 3: Cross multiply
    64,220,976x = 91,548,384 × 91,548,384
  4. Step 4: Simplify right side
    64,220,976x = 8,381,106,613,011,456
  5. Step 5: Solve for x
    x = 8,381,106,613,011,456/64,220,976
  6. Step 6: Final answer
    x = 130,504,192.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.