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Finding the Third Proportional to 47,370 and 68,436

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Solution

The third proportional to 47,370 and 68,436 is: 98,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,370 : 68,436 = 68,436 : x
  2. Step 2: Convert to fraction form
    47,370/68,436 = 68,436/x
  3. Step 3: Cross multiply
    47,370x = 68,436 × 68,436
  4. Step 4: Simplify right side
    47,370x = 4,683,486,096
  5. Step 5: Solve for x
    x = 4,683,486,096/47,370
  6. Step 6: Final answer
    x = 98,870.30

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.