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Finding the Third Proportional to 292,192 and 633,920

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Solution

The third proportional to 292,192 and 633,920 is: 1,375,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,192 : 633,920 = 633,920 : x
  2. Step 2: Convert to fraction form
    292,192/633,920 = 633,920/x
  3. Step 3: Cross multiply
    292,192x = 633,920 × 633,920
  4. Step 4: Simplify right side
    292,192x = 401,854,566,400
  5. Step 5: Solve for x
    x = 401,854,566,400/292,192
  6. Step 6: Final answer
    x = 1,375,309.96

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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.