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Finding the Third Proportional to 431,932 and 929,064

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Solution

The third proportional to 431,932 and 929,064 is: 1,998,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,932 : 929,064 = 929,064 : x
  2. Step 2: Convert to fraction form
    431,932/929,064 = 929,064/x
  3. Step 3: Cross multiply
    431,932x = 929,064 × 929,064
  4. Step 4: Simplify right side
    431,932x = 863,159,916,096
  5. Step 5: Solve for x
    x = 863,159,916,096/431,932
  6. Step 6: Final answer
    x = 1,998,369.92

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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.