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Finding the Third Proportional to 294,876 and 628,362

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Solution

The third proportional to 294,876 and 628,362 is: 1,338,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,876 : 628,362 = 628,362 : x
  2. Step 2: Convert to fraction form
    294,876/628,362 = 628,362/x
  3. Step 3: Cross multiply
    294,876x = 628,362 × 628,362
  4. Step 4: Simplify right side
    294,876x = 394,838,803,044
  5. Step 5: Solve for x
    x = 394,838,803,044/294,876
  6. Step 6: Final answer
    x = 1,338,999.45

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.