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Finding the Third Proportional to 89,653.50 and 133,953.75

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Solution

The third proportional to 89,653.50 and 133,953.75 is: 200,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.50 : 133,953.75 = 133,953.75 : x
  2. Step 2: Convert to fraction form
    89,653.50/133,953.75 = 133,953.75/x
  3. Step 3: Cross multiply
    89,653.50x = 133,953.75 × 133,953.75
  4. Step 4: Simplify right side
    89,653.50x = 17,943,607,139.06
  5. Step 5: Solve for x
    x = 17,943,607,139.06/89,653.50
  6. Step 6: Final answer
    x = 200,143.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.