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Finding the Third Proportional to 30,210 and 62,544

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Solution

The third proportional to 30,210 and 62,544 is: 129,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210 : 62,544 = 62,544 : x
  2. Step 2: Convert to fraction form
    30,210/62,544 = 62,544/x
  3. Step 3: Cross multiply
    30,210x = 62,544 × 62,544
  4. Step 4: Simplify right side
    30,210x = 3,911,751,936
  5. Step 5: Solve for x
    x = 3,911,751,936/30,210
  6. Step 6: Final answer
    x = 129,485.33

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.