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Finding the Third Proportional to 387,522 and 565,970

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Solution

The third proportional to 387,522 and 565,970 is: 826,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,522 : 565,970 = 565,970 : x
  2. Step 2: Convert to fraction form
    387,522/565,970 = 565,970/x
  3. Step 3: Cross multiply
    387,522x = 565,970 × 565,970
  4. Step 4: Simplify right side
    387,522x = 320,322,040,900
  5. Step 5: Solve for x
    x = 320,322,040,900/387,522
  6. Step 6: Final answer
    x = 826,590.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.