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Finding the Third Proportional to 70,818.19 and 152,161.88

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Solution

The third proportional to 70,818.19 and 152,161.88 is: 326,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,818.19 : 152,161.88 = 152,161.88 : x
  2. Step 2: Convert to fraction form
    70,818.19/152,161.88 = 152,161.88/x
  3. Step 3: Cross multiply
    70,818.19x = 152,161.88 × 152,161.88
  4. Step 4: Simplify right side
    70,818.19x = 23,153,236,203.52
  5. Step 5: Solve for x
    x = 23,153,236,203.52/70,818.19
  6. Step 6: Final answer
    x = 326,939.12

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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.