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Finding the Third Proportional to 22,428 and 35,187

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Solution

The third proportional to 22,428 and 35,187 is: 55,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428 : 35,187 = 35,187 : x
  2. Step 2: Convert to fraction form
    22,428/35,187 = 35,187/x
  3. Step 3: Cross multiply
    22,428x = 35,187 × 35,187
  4. Step 4: Simplify right side
    22,428x = 1,238,124,969
  5. Step 5: Solve for x
    x = 1,238,124,969/22,428
  6. Step 6: Final answer
    x = 55,204.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.