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Finding the Third Proportional to 39,321 and 62,544

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Solution

The third proportional to 39,321 and 62,544 is: 99,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321 : 62,544 = 62,544 : x
  2. Step 2: Convert to fraction form
    39,321/62,544 = 62,544/x
  3. Step 3: Cross multiply
    39,321x = 62,544 × 62,544
  4. Step 4: Simplify right side
    39,321x = 3,911,751,936
  5. Step 5: Solve for x
    x = 3,911,751,936/39,321
  6. Step 6: Final answer
    x = 99,482.51

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.