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Finding the Third Proportional to 105,196 and 226,430

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Solution

The third proportional to 105,196 and 226,430 is: 487,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,196 : 226,430 = 226,430 : x
  2. Step 2: Convert to fraction form
    105,196/226,430 = 226,430/x
  3. Step 3: Cross multiply
    105,196x = 226,430 × 226,430
  4. Step 4: Simplify right side
    105,196x = 51,270,544,900
  5. Step 5: Solve for x
    x = 51,270,544,900/105,196
  6. Step 6: Final answer
    x = 487,381.13

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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.