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Finding the Third Proportional to 391,323,026 and 852,962,482

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Solution

The third proportional to 391,323,026 and 852,962,482 is: 1,859,192,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,323,026 : 852,962,482 = 852,962,482 : x
  2. Step 2: Convert to fraction form
    391,323,026/852,962,482 = 852,962,482/x
  3. Step 3: Cross multiply
    391,323,026x = 852,962,482 × 852,962,482
  4. Step 4: Simplify right side
    391,323,026x = 727,544,995,699,600,384
  5. Step 5: Solve for x
    x = 727,544,995,699,600,384/391,323,026
  6. Step 6: Final answer
    x = 1,859,192,910.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.