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Finding the Third Proportional to 343,425 and 755,364

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Solution

The third proportional to 343,425 and 755,364 is: 1,661,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,425 : 755,364 = 755,364 : x
  2. Step 2: Convert to fraction form
    343,425/755,364 = 755,364/x
  3. Step 3: Cross multiply
    343,425x = 755,364 × 755,364
  4. Step 4: Simplify right side
    343,425x = 570,574,772,496
  5. Step 5: Solve for x
    x = 570,574,772,496/343,425
  6. Step 6: Final answer
    x = 1,661,424.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.