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Finding the Third Proportional to 374,312 and 818,600

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Solution

The third proportional to 374,312 and 818,600 is: 1,790,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,312 : 818,600 = 818,600 : x
  2. Step 2: Convert to fraction form
    374,312/818,600 = 818,600/x
  3. Step 3: Cross multiply
    374,312x = 818,600 × 818,600
  4. Step 4: Simplify right side
    374,312x = 670,105,960,000
  5. Step 5: Solve for x
    x = 670,105,960,000/374,312
  6. Step 6: Final answer
    x = 1,790,233.71

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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.