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Finding the Third Proportional to 64,302 and 99,555

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Solution

The third proportional to 64,302 and 99,555 is: 154,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302 : 99,555 = 99,555 : x
  2. Step 2: Convert to fraction form
    64,302/99,555 = 99,555/x
  3. Step 3: Cross multiply
    64,302x = 99,555 × 99,555
  4. Step 4: Simplify right side
    64,302x = 9,911,198,025
  5. Step 5: Solve for x
    x = 9,911,198,025/64,302
  6. Step 6: Final answer
    x = 154,135.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.