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Finding the Third Proportional to 159,930,561 and 245,715,630

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Solution

The third proportional to 159,930,561 and 245,715,630 is: 377,514,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,930,561 : 245,715,630 = 245,715,630 : x
  2. Step 2: Convert to fraction form
    159,930,561/245,715,630 = 245,715,630/x
  3. Step 3: Cross multiply
    159,930,561x = 245,715,630 × 245,715,630
  4. Step 4: Simplify right side
    159,930,561x = 60,376,170,826,296,896
  5. Step 5: Solve for x
    x = 60,376,170,826,296,896/159,930,561
  6. Step 6: Final answer
    x = 377,514,906.77

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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.