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Finding the Third Proportional to 641,202.50 and 1,000,623

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Solution

The third proportional to 641,202.50 and 1,000,623 is: 1,561,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,202.50 : 1,000,623 = 1,000,623 : x
  2. Step 2: Convert to fraction form
    641,202.50/1,000,623 = 1,000,623/x
  3. Step 3: Cross multiply
    641,202.50x = 1,000,623 × 1,000,623
  4. Step 4: Simplify right side
    641,202.50x = 1,001,246,388,129
  5. Step 5: Solve for x
    x = 1,001,246,388,129/641,202.50
  6. Step 6: Final answer
    x = 1,561,513.54

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.