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Finding the Third Proportional to 8,395,748,790 and 18,373,072,620

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Solution

The third proportional to 8,395,748,790 and 18,373,072,620 is: 40,207,229,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395,748,790 : 18,373,072,620 = 18,373,072,620 : x
  2. Step 2: Convert to fraction form
    8,395,748,790/18,373,072,620 = 18,373,072,620/x
  3. Step 3: Cross multiply
    8,395,748,790x = 18,373,072,620 × 18,373,072,620
  4. Step 4: Simplify right side
    8,395,748,790x = 337,569,797,499,793,637,376
  5. Step 5: Solve for x
    x = 337,569,797,499,793,637,376/8,395,748,790
  6. Step 6: Final answer
    x = 40,207,229,389.93

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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.