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Finding the Third Proportional to 66,675.66 and 100,728.56

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Solution

The third proportional to 66,675.66 and 100,728.56 is: 152,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.66 : 100,728.56 = 100,728.56 : x
  2. Step 2: Convert to fraction form
    66,675.66/100,728.56 = 100,728.56/x
  3. Step 3: Cross multiply
    66,675.66x = 100,728.56 × 100,728.56
  4. Step 4: Simplify right side
    66,675.66x = 10,146,243,303.32
  5. Step 5: Solve for x
    x = 10,146,243,303.32/66,675.66
  6. Step 6: Final answer
    x = 152,173.13

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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.