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Finding the Third Proportional to 146,134 and 318,746

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Solution

The third proportional to 146,134 and 318,746 is: 695,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134 : 318,746 = 318,746 : x
  2. Step 2: Convert to fraction form
    146,134/318,746 = 318,746/x
  3. Step 3: Cross multiply
    146,134x = 318,746 × 318,746
  4. Step 4: Simplify right side
    146,134x = 101,599,012,516
  5. Step 5: Solve for x
    x = 101,599,012,516/146,134
  6. Step 6: Final answer
    x = 695,245.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.