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Finding the Third Proportional to 865,359 and 1,879,983

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Solution

The third proportional to 865,359 and 1,879,983 is: 4,084,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,359 : 1,879,983 = 1,879,983 : x
  2. Step 2: Convert to fraction form
    865,359/1,879,983 = 1,879,983/x
  3. Step 3: Cross multiply
    865,359x = 1,879,983 × 1,879,983
  4. Step 4: Simplify right side
    865,359x = 3,534,336,080,289
  5. Step 5: Solve for x
    x = 3,534,336,080,289/865,359
  6. Step 6: Final answer
    x = 4,084,242.59

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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.