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Finding the Third Proportional to 382,000 and 809,528

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Solution

The third proportional to 382,000 and 809,528 is: 1,715,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,000 : 809,528 = 809,528 : x
  2. Step 2: Convert to fraction form
    382,000/809,528 = 809,528/x
  3. Step 3: Cross multiply
    382,000x = 809,528 × 809,528
  4. Step 4: Simplify right side
    382,000x = 655,335,582,784
  5. Step 5: Solve for x
    x = 655,335,582,784/382,000
  6. Step 6: Final answer
    x = 1,715,538.17

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.