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Finding the Third Proportional to 62,210 and 83,817

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Solution

The third proportional to 62,210 and 83,817 is: 112,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,210 : 83,817 = 83,817 : x
  2. Step 2: Convert to fraction form
    62,210/83,817 = 83,817/x
  3. Step 3: Cross multiply
    62,210x = 83,817 × 83,817
  4. Step 4: Simplify right side
    62,210x = 7,025,289,489
  5. Step 5: Solve for x
    x = 7,025,289,489/62,210
  6. Step 6: Final answer
    x = 112,928.62

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.