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Finding the Third Proportional to 634,178 and 928,515

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Solution

The third proportional to 634,178 and 928,515 is: 1,359,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,178 : 928,515 = 928,515 : x
  2. Step 2: Convert to fraction form
    634,178/928,515 = 928,515/x
  3. Step 3: Cross multiply
    634,178x = 928,515 × 928,515
  4. Step 4: Simplify right side
    634,178x = 862,140,105,225
  5. Step 5: Solve for x
    x = 862,140,105,225/634,178
  6. Step 6: Final answer
    x = 1,359,460.76

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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.