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Finding the Third Proportional to 146,020 and 313,854

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Solution

The third proportional to 146,020 and 313,854 is: 674,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020 : 313,854 = 313,854 : x
  2. Step 2: Convert to fraction form
    146,020/313,854 = 313,854/x
  3. Step 3: Cross multiply
    146,020x = 313,854 × 313,854
  4. Step 4: Simplify right side
    146,020x = 98,504,333,316
  5. Step 5: Solve for x
    x = 98,504,333,316/146,020
  6. Step 6: Final answer
    x = 674,594.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.