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Finding the Third Proportional to 79,218 and 171,527.63

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Solution

The third proportional to 79,218 and 171,527.63 is: 371,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218 : 171,527.63 = 171,527.63 : x
  2. Step 2: Convert to fraction form
    79,218/171,527.63 = 171,527.63/x
  3. Step 3: Cross multiply
    79,218x = 171,527.63 × 171,527.63
  4. Step 4: Simplify right side
    79,218x = 29,421,726,138.14
  5. Step 5: Solve for x
    x = 29,421,726,138.14/79,218
  6. Step 6: Final answer
    x = 371,402.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.