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Finding the Third Proportional to 9,939 and 14,554.50

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Solution

The third proportional to 9,939 and 14,554.50 is: 21,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939 : 14,554.50 = 14,554.50 : x
  2. Step 2: Convert to fraction form
    9,939/14,554.50 = 14,554.50/x
  3. Step 3: Cross multiply
    9,939x = 14,554.50 × 14,554.50
  4. Step 4: Simplify right side
    9,939x = 211,833,470.25
  5. Step 5: Solve for x
    x = 211,833,470.25/9,939
  6. Step 6: Final answer
    x = 21,313.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.