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Finding the Third Proportional to 136,464 and 210,524

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Solution

The third proportional to 136,464 and 210,524 is: 324,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,464 : 210,524 = 210,524 : x
  2. Step 2: Convert to fraction form
    136,464/210,524 = 210,524/x
  3. Step 3: Cross multiply
    136,464x = 210,524 × 210,524
  4. Step 4: Simplify right side
    136,464x = 44,320,354,576
  5. Step 5: Solve for x
    x = 44,320,354,576/136,464
  6. Step 6: Final answer
    x = 324,776.90

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.