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Finding the Third Proportional to 343,278 and 747,582

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Solution

The third proportional to 343,278 and 747,582 is: 1,628,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,278 : 747,582 = 747,582 : x
  2. Step 2: Convert to fraction form
    343,278/747,582 = 747,582/x
  3. Step 3: Cross multiply
    343,278x = 747,582 × 747,582
  4. Step 4: Simplify right side
    343,278x = 558,878,846,724
  5. Step 5: Solve for x
    x = 558,878,846,724/343,278
  6. Step 6: Final answer
    x = 1,628,064.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.