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Finding the Third Proportional to 288,084 and 436,087

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Solution

The third proportional to 288,084 and 436,087 is: 660,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,084 : 436,087 = 436,087 : x
  2. Step 2: Convert to fraction form
    288,084/436,087 = 436,087/x
  3. Step 3: Cross multiply
    288,084x = 436,087 × 436,087
  4. Step 4: Simplify right side
    288,084x = 190,171,871,569
  5. Step 5: Solve for x
    x = 190,171,871,569/288,084
  6. Step 6: Final answer
    x = 660,126.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.