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Finding the Third Proportional to 155,786 and 337,816

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Solution

The third proportional to 155,786 and 337,816 is: 732,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,786 : 337,816 = 337,816 : x
  2. Step 2: Convert to fraction form
    155,786/337,816 = 337,816/x
  3. Step 3: Cross multiply
    155,786x = 337,816 × 337,816
  4. Step 4: Simplify right side
    155,786x = 114,119,649,856
  5. Step 5: Solve for x
    x = 114,119,649,856/155,786
  6. Step 6: Final answer
    x = 732,541.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.