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Finding the Third Proportional to 104,428 and 157,103

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Solution

The third proportional to 104,428 and 157,103 is: 236,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428 : 157,103 = 157,103 : x
  2. Step 2: Convert to fraction form
    104,428/157,103 = 157,103/x
  3. Step 3: Cross multiply
    104,428x = 157,103 × 157,103
  4. Step 4: Simplify right side
    104,428x = 24,681,352,609
  5. Step 5: Solve for x
    x = 24,681,352,609/104,428
  6. Step 6: Final answer
    x = 236,348.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.