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Finding the Third Proportional to 355,298 and 756,628

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Solution

The third proportional to 355,298 and 756,628 is: 1,611,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,298 : 756,628 = 756,628 : x
  2. Step 2: Convert to fraction form
    355,298/756,628 = 756,628/x
  3. Step 3: Cross multiply
    355,298x = 756,628 × 756,628
  4. Step 4: Simplify right side
    355,298x = 572,485,930,384
  5. Step 5: Solve for x
    x = 572,485,930,384/355,298
  6. Step 6: Final answer
    x = 1,611,283.85

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.