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Finding the Third Proportional to 66,192.19 and 99,903.38

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Solution

The third proportional to 66,192.19 and 99,903.38 is: 150,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.19 : 99,903.38 = 99,903.38 : x
  2. Step 2: Convert to fraction form
    66,192.19/99,903.38 = 99,903.38/x
  3. Step 3: Cross multiply
    66,192.19x = 99,903.38 × 99,903.38
  4. Step 4: Simplify right side
    66,192.19x = 9,980,684,336.39
  5. Step 5: Solve for x
    x = 9,980,684,336.39/66,192.19
  6. Step 6: Final answer
    x = 150,783.42

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