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Finding the Third Proportional to 20,020 and 41,354

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Solution

The third proportional to 20,020 and 41,354 is: 85,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020 : 41,354 = 41,354 : x
  2. Step 2: Convert to fraction form
    20,020/41,354 = 41,354/x
  3. Step 3: Cross multiply
    20,020x = 41,354 × 41,354
  4. Step 4: Simplify right side
    20,020x = 1,710,153,316
  5. Step 5: Solve for x
    x = 1,710,153,316/20,020
  6. Step 6: Final answer
    x = 85,422.24

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.