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Finding the Third Proportional to 742,999.50 and 1,628,397

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Solution

The third proportional to 742,999.50 and 1,628,397 is: 3,568,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,999.50 : 1,628,397 = 1,628,397 : x
  2. Step 2: Convert to fraction form
    742,999.50/1,628,397 = 1,628,397/x
  3. Step 3: Cross multiply
    742,999.50x = 1,628,397 × 1,628,397
  4. Step 4: Simplify right side
    742,999.50x = 2,651,676,789,609
  5. Step 5: Solve for x
    x = 2,651,676,789,609/742,999.50
  6. Step 6: Final answer
    x = 3,568,880.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.