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Finding the Third Proportional to 193,369 and 423,910

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Solution

The third proportional to 193,369 and 423,910 is: 929,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,369 : 423,910 = 423,910 : x
  2. Step 2: Convert to fraction form
    193,369/423,910 = 423,910/x
  3. Step 3: Cross multiply
    193,369x = 423,910 × 423,910
  4. Step 4: Simplify right side
    193,369x = 179,699,688,100
  5. Step 5: Solve for x
    x = 179,699,688,100/193,369
  6. Step 6: Final answer
    x = 929,309.70

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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.