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Finding the Third Proportional to 11,228.63 and 15,572.25

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Solution

The third proportional to 11,228.63 and 15,572.25 is: 21,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.63 : 15,572.25 = 15,572.25 : x
  2. Step 2: Convert to fraction form
    11,228.63/15,572.25 = 15,572.25/x
  3. Step 3: Cross multiply
    11,228.63x = 15,572.25 × 15,572.25
  4. Step 4: Simplify right side
    11,228.63x = 242,494,970.06
  5. Step 5: Solve for x
    x = 242,494,970.06/11,228.63
  6. Step 6: Final answer
    x = 21,596.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.