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Finding the Third Proportional to 17,757,324 and 38,209,678

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Solution

The third proportional to 17,757,324 and 38,209,678 is: 82,218,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757,324 : 38,209,678 = 38,209,678 : x
  2. Step 2: Convert to fraction form
    17,757,324/38,209,678 = 38,209,678/x
  3. Step 3: Cross multiply
    17,757,324x = 38,209,678 × 38,209,678
  4. Step 4: Simplify right side
    17,757,324x = 1,459,979,492,863,684
  5. Step 5: Solve for x
    x = 1,459,979,492,863,684/17,757,324
  6. Step 6: Final answer
    x = 82,218,440.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.