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Finding the Third Proportional to 10,230 and 11,022

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Solution

The third proportional to 10,230 and 11,022 is: 11,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230 : 11,022 = 11,022 : x
  2. Step 2: Convert to fraction form
    10,230/11,022 = 11,022/x
  3. Step 3: Cross multiply
    10,230x = 11,022 × 11,022
  4. Step 4: Simplify right side
    10,230x = 121,484,484
  5. Step 5: Solve for x
    x = 121,484,484/10,230
  6. Step 6: Final answer
    x = 11,875.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.