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Finding the Third Proportional to 351,620 and 525,111

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Solution

The third proportional to 351,620 and 525,111 is: 784,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,620 : 525,111 = 525,111 : x
  2. Step 2: Convert to fraction form
    351,620/525,111 = 525,111/x
  3. Step 3: Cross multiply
    351,620x = 525,111 × 525,111
  4. Step 4: Simplify right side
    351,620x = 275,741,562,321
  5. Step 5: Solve for x
    x = 275,741,562,321/351,620
  6. Step 6: Final answer
    x = 784,203.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.