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Finding the Third Proportional to 403,562 and 565,582

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Solution

The third proportional to 403,562 and 565,582 is: 792,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,562 : 565,582 = 565,582 : x
  2. Step 2: Convert to fraction form
    403,562/565,582 = 565,582/x
  3. Step 3: Cross multiply
    403,562x = 565,582 × 565,582
  4. Step 4: Simplify right side
    403,562x = 319,882,998,724
  5. Step 5: Solve for x
    x = 319,882,998,724/403,562
  6. Step 6: Final answer
    x = 792,648.96

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.