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Finding the Third Proportional to 374,340 and 818,664

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Solution

The third proportional to 374,340 and 818,664 is: 1,790,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,340 : 818,664 = 818,664 : x
  2. Step 2: Convert to fraction form
    374,340/818,664 = 818,664/x
  3. Step 3: Cross multiply
    374,340x = 818,664 × 818,664
  4. Step 4: Simplify right side
    374,340x = 670,210,744,896
  5. Step 5: Solve for x
    x = 670,210,744,896/374,340
  6. Step 6: Final answer
    x = 1,790,379.72

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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.