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Finding the Third Proportional to 8,950.18 and 19,621.78

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Solution

The third proportional to 8,950.18 and 19,621.78 is: 43,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.18 : 19,621.78 = 19,621.78 : x
  2. Step 2: Convert to fraction form
    8,950.18/19,621.78 = 19,621.78/x
  3. Step 3: Cross multiply
    8,950.18x = 19,621.78 × 19,621.78
  4. Step 4: Simplify right side
    8,950.18x = 385,014,069.48
  5. Step 5: Solve for x
    x = 385,014,069.48/8,950.18
  6. Step 6: Final answer
    x = 43,017.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.