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Finding the Third Proportional to 102,492 and 216,126

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Solution

The third proportional to 102,492 and 216,126 is: 455,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,492 : 216,126 = 216,126 : x
  2. Step 2: Convert to fraction form
    102,492/216,126 = 216,126/x
  3. Step 3: Cross multiply
    102,492x = 216,126 × 216,126
  4. Step 4: Simplify right side
    102,492x = 46,710,447,876
  5. Step 5: Solve for x
    x = 46,710,447,876/102,492
  6. Step 6: Final answer
    x = 455,747.26

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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.