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Finding the Third Proportional to 64,232,560 and 91,565,880

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Solution

The third proportional to 64,232,560 and 91,565,880 is: 130,530,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,232,560 : 91,565,880 = 91,565,880 : x
  2. Step 2: Convert to fraction form
    64,232,560/91,565,880 = 91,565,880/x
  3. Step 3: Cross multiply
    64,232,560x = 91,565,880 × 91,565,880
  4. Step 4: Simplify right side
    64,232,560x = 8,384,310,380,174,400
  5. Step 5: Solve for x
    x = 8,384,310,380,174,400/64,232,560
  6. Step 6: Final answer
    x = 130,530,534.36

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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.