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Finding the Third Proportional to 54,445.50 and 81,668.25

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Solution

The third proportional to 54,445.50 and 81,668.25 is: 122,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.50 : 81,668.25 = 81,668.25 : x
  2. Step 2: Convert to fraction form
    54,445.50/81,668.25 = 81,668.25/x
  3. Step 3: Cross multiply
    54,445.50x = 81,668.25 × 81,668.25
  4. Step 4: Simplify right side
    54,445.50x = 6,669,703,058.06
  5. Step 5: Solve for x
    x = 6,669,703,058.06/54,445.50
  6. Step 6: Final answer
    x = 122,502.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.