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Finding the Third Proportional to 1,874,413,508 and 3,903,971,080

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Solution

The third proportional to 1,874,413,508 and 3,903,971,080 is: 8,131,071,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,413,508 : 3,903,971,080 = 3,903,971,080 : x
  2. Step 2: Convert to fraction form
    1,874,413,508/3,903,971,080 = 3,903,971,080/x
  3. Step 3: Cross multiply
    1,874,413,508x = 3,903,971,080 × 3,903,971,080
  4. Step 4: Simplify right side
    1,874,413,508x = 15,240,990,193,476,366,336
  5. Step 5: Solve for x
    x = 15,240,990,193,476,366,336/1,874,413,508
  6. Step 6: Final answer
    x = 8,131,071,467.65

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.