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Finding the Third Proportional to 418,330.50 and 628,450.50

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Solution

The third proportional to 418,330.50 and 628,450.50 is: 944,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,330.50 : 628,450.50 = 628,450.50 : x
  2. Step 2: Convert to fraction form
    418,330.50/628,450.50 = 628,450.50/x
  3. Step 3: Cross multiply
    418,330.50x = 628,450.50 × 628,450.50
  4. Step 4: Simplify right side
    418,330.50x = 394,950,030,950.25
  5. Step 5: Solve for x
    x = 394,950,030,950.25/418,330.50
  6. Step 6: Final answer
    x = 944,110.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.