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Finding the Third Proportional to 891,661.50 and 1,928,758.50

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Solution

The third proportional to 891,661.50 and 1,928,758.50 is: 4,172,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,661.50 : 1,928,758.50 = 1,928,758.50 : x
  2. Step 2: Convert to fraction form
    891,661.50/1,928,758.50 = 1,928,758.50/x
  3. Step 3: Cross multiply
    891,661.50x = 1,928,758.50 × 1,928,758.50
  4. Step 4: Simplify right side
    891,661.50x = 3,720,109,351,322.25
  5. Step 5: Solve for x
    x = 3,720,109,351,322.25/891,661.50
  6. Step 6: Final answer
    x = 4,172,109.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.