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Finding the Third Proportional to 8,484 and 20,058

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Solution

The third proportional to 8,484 and 20,058 is: 47,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484 : 20,058 = 20,058 : x
  2. Step 2: Convert to fraction form
    8,484/20,058 = 20,058/x
  3. Step 3: Cross multiply
    8,484x = 20,058 × 20,058
  4. Step 4: Simplify right side
    8,484x = 402,323,364
  5. Step 5: Solve for x
    x = 402,323,364/8,484
  6. Step 6: Final answer
    x = 47,421.42

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.