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Finding the Third Proportional to 717,990,503 and 1,572,183,499

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Solution

The third proportional to 717,990,503 and 1,572,183,499 is: 3,442,609,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,990,503 : 1,572,183,499 = 1,572,183,499 : x
  2. Step 2: Convert to fraction form
    717,990,503/1,572,183,499 = 1,572,183,499/x
  3. Step 3: Cross multiply
    717,990,503x = 1,572,183,499 × 1,572,183,499
  4. Step 4: Simplify right side
    717,990,503x = 2,471,760,954,527,882,752
  5. Step 5: Solve for x
    x = 2,471,760,954,527,882,752/717,990,503
  6. Step 6: Final answer
    x = 3,442,609,538.98

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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.