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Finding the Third Proportional to 66,649.50 and 148,060.88

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Solution

The third proportional to 66,649.50 and 148,060.88 is: 328,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,649.50 : 148,060.88 = 148,060.88 : x
  2. Step 2: Convert to fraction form
    66,649.50/148,060.88 = 148,060.88/x
  3. Step 3: Cross multiply
    66,649.50x = 148,060.88 × 148,060.88
  4. Step 4: Simplify right side
    66,649.50x = 21,922,022,705.77
  5. Step 5: Solve for x
    x = 21,922,022,705.77/66,649.50
  6. Step 6: Final answer
    x = 328,915.04

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.