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Finding the Third Proportional to 61,639.88 and 92,814.75

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Solution

The third proportional to 61,639.88 and 92,814.75 is: 139,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.88 : 92,814.75 = 92,814.75 : x
  2. Step 2: Convert to fraction form
    61,639.88/92,814.75 = 92,814.75/x
  3. Step 3: Cross multiply
    61,639.88x = 92,814.75 × 92,814.75
  4. Step 4: Simplify right side
    61,639.88x = 8,614,577,817.56
  5. Step 5: Solve for x
    x = 8,614,577,817.56/61,639.88
  6. Step 6: Final answer
    x = 139,756.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.