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Finding the Third Proportional to 30,231 and 47,665.13

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Solution

The third proportional to 30,231 and 47,665.13 is: 75,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231 : 47,665.13 = 47,665.13 : x
  2. Step 2: Convert to fraction form
    30,231/47,665.13 = 47,665.13/x
  3. Step 3: Cross multiply
    30,231x = 47,665.13 × 47,665.13
  4. Step 4: Simplify right side
    30,231x = 2,271,964,141.27
  5. Step 5: Solve for x
    x = 2,271,964,141.27/30,231
  6. Step 6: Final answer
    x = 75,153.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.