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Finding the Third Proportional to 865,222 and 1,863,566

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Solution

The third proportional to 865,222 and 1,863,566 is: 4,013,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,222 : 1,863,566 = 1,863,566 : x
  2. Step 2: Convert to fraction form
    865,222/1,863,566 = 1,863,566/x
  3. Step 3: Cross multiply
    865,222x = 1,863,566 × 1,863,566
  4. Step 4: Simplify right side
    865,222x = 3,472,878,236,356
  5. Step 5: Solve for x
    x = 3,472,878,236,356/865,222
  6. Step 6: Final answer
    x = 4,013,857.99

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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.