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Finding the Third Proportional to 74,394 and 104,055

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Solution

The third proportional to 74,394 and 104,055 is: 145,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394 : 104,055 = 104,055 : x
  2. Step 2: Convert to fraction form
    74,394/104,055 = 104,055/x
  3. Step 3: Cross multiply
    74,394x = 104,055 × 104,055
  4. Step 4: Simplify right side
    74,394x = 10,827,443,025
  5. Step 5: Solve for x
    x = 10,827,443,025/74,394
  6. Step 6: Final answer
    x = 145,541.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.