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Finding the Third Proportional to 332,603 and 731,640

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Solution

The third proportional to 332,603 and 731,640 is: 1,609,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,603 : 731,640 = 731,640 : x
  2. Step 2: Convert to fraction form
    332,603/731,640 = 731,640/x
  3. Step 3: Cross multiply
    332,603x = 731,640 × 731,640
  4. Step 4: Simplify right side
    332,603x = 535,297,089,600
  5. Step 5: Solve for x
    x = 535,297,089,600/332,603
  6. Step 6: Final answer
    x = 1,609,417.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.