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Finding the Third Proportional to 9,239,154 and 19,489,380

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Solution

The third proportional to 9,239,154 and 19,489,380 is: 41,111,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,154 : 19,489,380 = 19,489,380 : x
  2. Step 2: Convert to fraction form
    9,239,154/19,489,380 = 19,489,380/x
  3. Step 3: Cross multiply
    9,239,154x = 19,489,380 × 19,489,380
  4. Step 4: Simplify right side
    9,239,154x = 379,835,932,784,400
  5. Step 5: Solve for x
    x = 379,835,932,784,400/9,239,154
  6. Step 6: Final answer
    x = 41,111,549.04

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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.