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Finding the Third Proportional to 18,862.88 and 30,329.44

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Solution

The third proportional to 18,862.88 and 30,329.44 is: 48,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.88 : 30,329.44 = 30,329.44 : x
  2. Step 2: Convert to fraction form
    18,862.88/30,329.44 = 30,329.44/x
  3. Step 3: Cross multiply
    18,862.88x = 30,329.44 × 30,329.44
  4. Step 4: Simplify right side
    18,862.88x = 919,874,779.07
  5. Step 5: Solve for x
    x = 919,874,779.07/18,862.88
  6. Step 6: Final answer
    x = 48,766.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.