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Finding the Third Proportional to 351,243 and 758,646

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Solution

The third proportional to 351,243 and 758,646 is: 1,638,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,243 : 758,646 = 758,646 : x
  2. Step 2: Convert to fraction form
    351,243/758,646 = 758,646/x
  3. Step 3: Cross multiply
    351,243x = 758,646 × 758,646
  4. Step 4: Simplify right side
    351,243x = 575,543,753,316
  5. Step 5: Solve for x
    x = 575,543,753,316/351,243
  6. Step 6: Final answer
    x = 1,638,591.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.