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Finding the Third Proportional to 123,466.78 and 190,329.75

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Solution

The third proportional to 123,466.78 and 190,329.75 is: 293,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,466.78 : 190,329.75 = 190,329.75 : x
  2. Step 2: Convert to fraction form
    123,466.78/190,329.75 = 190,329.75/x
  3. Step 3: Cross multiply
    123,466.78x = 190,329.75 × 190,329.75
  4. Step 4: Simplify right side
    123,466.78x = 36,225,413,735.06
  5. Step 5: Solve for x
    x = 36,225,413,735.06/123,466.78
  6. Step 6: Final answer
    x = 293,402.11

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.