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Finding the Third Proportional to 313,468 and 739,858

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Solution

The third proportional to 313,468 and 739,858 is: 1,746,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,468 : 739,858 = 739,858 : x
  2. Step 2: Convert to fraction form
    313,468/739,858 = 739,858/x
  3. Step 3: Cross multiply
    313,468x = 739,858 × 739,858
  4. Step 4: Simplify right side
    313,468x = 547,389,860,164
  5. Step 5: Solve for x
    x = 547,389,860,164/313,468
  6. Step 6: Final answer
    x = 1,746,238.40

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.