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Finding the Third Proportional to 27,351 and 39,112.50

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Solution

The third proportional to 27,351 and 39,112.50 is: 55,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351 : 39,112.50 = 39,112.50 : x
  2. Step 2: Convert to fraction form
    27,351/39,112.50 = 39,112.50/x
  3. Step 3: Cross multiply
    27,351x = 39,112.50 × 39,112.50
  4. Step 4: Simplify right side
    27,351x = 1,529,787,656.25
  5. Step 5: Solve for x
    x = 1,529,787,656.25/27,351
  6. Step 6: Final answer
    x = 55,931.69

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1.5x scale

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.