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Finding the Third Proportional to 174,912 and 262,313

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Solution

The third proportional to 174,912 and 262,313 is: 393,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,912 : 262,313 = 262,313 : x
  2. Step 2: Convert to fraction form
    174,912/262,313 = 262,313/x
  3. Step 3: Cross multiply
    174,912x = 262,313 × 262,313
  4. Step 4: Simplify right side
    174,912x = 68,808,109,969
  5. Step 5: Solve for x
    x = 68,808,109,969/174,912
  6. Step 6: Final answer
    x = 393,387.02

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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.