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Finding the Third Proportional to 22,374 and 47,178

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Solution

The third proportional to 22,374 and 47,178 is: 99,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374 : 47,178 = 47,178 : x
  2. Step 2: Convert to fraction form
    22,374/47,178 = 47,178/x
  3. Step 3: Cross multiply
    22,374x = 47,178 × 47,178
  4. Step 4: Simplify right side
    22,374x = 2,225,763,684
  5. Step 5: Solve for x
    x = 2,225,763,684/22,374
  6. Step 6: Final answer
    x = 99,479.92

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.