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Finding the Third Proportional to 112,280 and 246,700

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Solution

The third proportional to 112,280 and 246,700 is: 542,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280 : 246,700 = 246,700 : x
  2. Step 2: Convert to fraction form
    112,280/246,700 = 246,700/x
  3. Step 3: Cross multiply
    112,280x = 246,700 × 246,700
  4. Step 4: Simplify right side
    112,280x = 60,860,890,000
  5. Step 5: Solve for x
    x = 60,860,890,000/112,280
  6. Step 6: Final answer
    x = 542,045.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.