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Finding the Third Proportional to 292,248 and 628,884

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Solution

The third proportional to 292,248 and 628,884 is: 1,353,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,248 : 628,884 = 628,884 : x
  2. Step 2: Convert to fraction form
    292,248/628,884 = 628,884/x
  3. Step 3: Cross multiply
    292,248x = 628,884 × 628,884
  4. Step 4: Simplify right side
    292,248x = 395,495,085,456
  5. Step 5: Solve for x
    x = 395,495,085,456/292,248
  6. Step 6: Final answer
    x = 1,353,285.86

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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.