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Finding the Third Proportional to 873,242 and 1,879,282

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Solution

The third proportional to 873,242 and 1,879,282 is: 4,044,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,242 : 1,879,282 = 1,879,282 : x
  2. Step 2: Convert to fraction form
    873,242/1,879,282 = 1,879,282/x
  3. Step 3: Cross multiply
    873,242x = 1,879,282 × 1,879,282
  4. Step 4: Simplify right side
    873,242x = 3,531,700,835,524
  5. Step 5: Solve for x
    x = 3,531,700,835,524/873,242
  6. Step 6: Final answer
    x = 4,044,355.21

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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.