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Finding the Third Proportional to 576,407 and 920,825

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Solution

The third proportional to 576,407 and 920,825 is: 1,471,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,407 : 920,825 = 920,825 : x
  2. Step 2: Convert to fraction form
    576,407/920,825 = 920,825/x
  3. Step 3: Cross multiply
    576,407x = 920,825 × 920,825
  4. Step 4: Simplify right side
    576,407x = 847,918,680,625
  5. Step 5: Solve for x
    x = 847,918,680,625/576,407
  6. Step 6: Final answer
    x = 1,471,041.61

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.