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Finding the Third Proportional to 4,210 and 9,035

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Solution

The third proportional to 4,210 and 9,035 is: 19,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210 : 9,035 = 9,035 : x
  2. Step 2: Convert to fraction form
    4,210/9,035 = 9,035/x
  3. Step 3: Cross multiply
    4,210x = 9,035 × 9,035
  4. Step 4: Simplify right side
    4,210x = 81,631,225
  5. Step 5: Solve for x
    x = 81,631,225/4,210
  6. Step 6: Final answer
    x = 19,389.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.