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Finding the Third Proportional to 39,476 and 84,550

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Solution

The third proportional to 39,476 and 84,550 is: 181,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476 : 84,550 = 84,550 : x
  2. Step 2: Convert to fraction form
    39,476/84,550 = 84,550/x
  3. Step 3: Cross multiply
    39,476x = 84,550 × 84,550
  4. Step 4: Simplify right side
    39,476x = 7,148,702,500
  5. Step 5: Solve for x
    x = 7,148,702,500/39,476
  6. Step 6: Final answer
    x = 181,089.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.