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Finding the Third Proportional to 403,568 and 565,590

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Solution

The third proportional to 403,568 and 565,590 is: 792,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,568 : 565,590 = 565,590 : x
  2. Step 2: Convert to fraction form
    403,568/565,590 = 565,590/x
  3. Step 3: Cross multiply
    403,568x = 565,590 × 565,590
  4. Step 4: Simplify right side
    403,568x = 319,892,048,100
  5. Step 5: Solve for x
    x = 319,892,048,100/403,568
  6. Step 6: Final answer
    x = 792,659.60

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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.