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Finding the Third Proportional to 170,816.25 and 373,809.38

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Solution

The third proportional to 170,816.25 and 373,809.38 is: 818,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,816.25 : 373,809.38 = 373,809.38 : x
  2. Step 2: Convert to fraction form
    170,816.25/373,809.38 = 373,809.38/x
  3. Step 3: Cross multiply
    170,816.25x = 373,809.38 × 373,809.38
  4. Step 4: Simplify right side
    170,816.25x = 139,733,448,837.89
  5. Step 5: Solve for x
    x = 139,733,448,837.89/170,816.25
  6. Step 6: Final answer
    x = 818,033.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.