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Finding the Third Proportional to 634,176 and 928,512

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Solution

The third proportional to 634,176 and 928,512 is: 1,359,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,176 : 928,512 = 928,512 : x
  2. Step 2: Convert to fraction form
    634,176/928,512 = 928,512/x
  3. Step 3: Cross multiply
    634,176x = 928,512 × 928,512
  4. Step 4: Simplify right side
    634,176x = 862,134,534,144
  5. Step 5: Solve for x
    x = 862,134,534,144/634,176
  6. Step 6: Final answer
    x = 1,359,456.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.