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Finding the Third Proportional to 17,917,448 and 38,820,880

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Solution

The third proportional to 17,917,448 and 38,820,880 is: 84,111,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917,448 : 38,820,880 = 38,820,880 : x
  2. Step 2: Convert to fraction form
    17,917,448/38,820,880 = 38,820,880/x
  3. Step 3: Cross multiply
    17,917,448x = 38,820,880 × 38,820,880
  4. Step 4: Simplify right side
    17,917,448x = 1,507,060,723,974,400
  5. Step 5: Solve for x
    x = 1,507,060,723,974,400/17,917,448
  6. Step 6: Final answer
    x = 84,111,349.11

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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.