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Finding the Third Proportional to 294,734 and 636,556

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Solution

The third proportional to 294,734 and 636,556 is: 1,374,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,734 : 636,556 = 636,556 : x
  2. Step 2: Convert to fraction form
    294,734/636,556 = 636,556/x
  3. Step 3: Cross multiply
    294,734x = 636,556 × 636,556
  4. Step 4: Simplify right side
    294,734x = 405,203,541,136
  5. Step 5: Solve for x
    x = 405,203,541,136/294,734
  6. Step 6: Final answer
    x = 1,374,810.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.