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Finding the Third Proportional to 874,957,021 and 1,279,217,725

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Solution

The third proportional to 874,957,021 and 1,279,217,725 is: 1,870,260,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,957,021 : 1,279,217,725 = 1,279,217,725 : x
  2. Step 2: Convert to fraction form
    874,957,021/1,279,217,725 = 1,279,217,725/x
  3. Step 3: Cross multiply
    874,957,021x = 1,279,217,725 × 1,279,217,725
  4. Step 4: Simplify right side
    874,957,021x = 1,636,397,987,954,175,744
  5. Step 5: Solve for x
    x = 1,636,397,987,954,175,744/874,957,021
  6. Step 6: Final answer
    x = 1,870,260,994.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.