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Finding the Third Proportional to 4,690.50 and 8,922

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Solution

The third proportional to 4,690.50 and 8,922 is: 16,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.50 : 8,922 = 8,922 : x
  2. Step 2: Convert to fraction form
    4,690.50/8,922 = 8,922/x
  3. Step 3: Cross multiply
    4,690.50x = 8,922 × 8,922
  4. Step 4: Simplify right side
    4,690.50x = 79,602,084
  5. Step 5: Solve for x
    x = 79,602,084/4,690.50
  6. Step 6: Final answer
    x = 16,970.92

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.