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Finding the Third Proportional to 9,155 and 14,212

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Solution

The third proportional to 9,155 and 14,212 is: 22,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155 : 14,212 = 14,212 : x
  2. Step 2: Convert to fraction form
    9,155/14,212 = 14,212/x
  3. Step 3: Cross multiply
    9,155x = 14,212 × 14,212
  4. Step 4: Simplify right side
    9,155x = 201,980,944
  5. Step 5: Solve for x
    x = 201,980,944/9,155
  6. Step 6: Final answer
    x = 22,062.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.