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Finding the Third Proportional to 717,990,514 and 1,572,183,521

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Solution

The third proportional to 717,990,514 and 1,572,183,521 is: 3,442,609,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,990,514 : 1,572,183,521 = 1,572,183,521 : x
  2. Step 2: Convert to fraction form
    717,990,514/1,572,183,521 = 1,572,183,521/x
  3. Step 3: Cross multiply
    717,990,514x = 1,572,183,521 × 1,572,183,521
  4. Step 4: Simplify right side
    717,990,514x = 2,471,761,023,703,957,504
  5. Step 5: Solve for x
    x = 2,471,761,023,703,957,504/717,990,514
  6. Step 6: Final answer
    x = 3,442,609,582.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.