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Finding the Third Proportional to 61,799 and 92,700

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Solution

The third proportional to 61,799 and 92,700 is: 139,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799 : 92,700 = 92,700 : x
  2. Step 2: Convert to fraction form
    61,799/92,700 = 92,700/x
  3. Step 3: Cross multiply
    61,799x = 92,700 × 92,700
  4. Step 4: Simplify right side
    61,799x = 8,593,290,000
  5. Step 5: Solve for x
    x = 8,593,290,000/61,799
  6. Step 6: Final answer
    x = 139,052.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.