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Finding the Third Proportional to 288,010 and 382,176

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Solution

The third proportional to 288,010 and 382,176 is: 507,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,010 : 382,176 = 382,176 : x
  2. Step 2: Convert to fraction form
    288,010/382,176 = 382,176/x
  3. Step 3: Cross multiply
    288,010x = 382,176 × 382,176
  4. Step 4: Simplify right side
    288,010x = 146,058,494,976
  5. Step 5: Solve for x
    x = 146,058,494,976/288,010
  6. Step 6: Final answer
    x = 507,129.94

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.