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Finding the Third Proportional to 21,260 and 46,206

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Solution

The third proportional to 21,260 and 46,206 is: 100,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260 : 46,206 = 46,206 : x
  2. Step 2: Convert to fraction form
    21,260/46,206 = 46,206/x
  3. Step 3: Cross multiply
    21,260x = 46,206 × 46,206
  4. Step 4: Simplify right side
    21,260x = 2,134,994,436
  5. Step 5: Solve for x
    x = 2,134,994,436/21,260
  6. Step 6: Final answer
    x = 100,423.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.