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Finding the Third Proportional to 66,548.50 and 103,103.50

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Solution

The third proportional to 66,548.50 and 103,103.50 is: 159,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.50 : 103,103.50 = 103,103.50 : x
  2. Step 2: Convert to fraction form
    66,548.50/103,103.50 = 103,103.50/x
  3. Step 3: Cross multiply
    66,548.50x = 103,103.50 × 103,103.50
  4. Step 4: Simplify right side
    66,548.50x = 10,630,331,712.25
  5. Step 5: Solve for x
    x = 10,630,331,712.25/66,548.50
  6. Step 6: Final answer
    x = 159,738.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.