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Finding the Third Proportional to 3,644,638.50 and 7,975,722

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Solution

The third proportional to 3,644,638.50 and 7,975,722 is: 17,453,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,638.50 : 7,975,722 = 7,975,722 : x
  2. Step 2: Convert to fraction form
    3,644,638.50/7,975,722 = 7,975,722/x
  3. Step 3: Cross multiply
    3,644,638.50x = 7,975,722 × 7,975,722
  4. Step 4: Simplify right side
    3,644,638.50x = 63,612,141,421,284
  5. Step 5: Solve for x
    x = 63,612,141,421,284/3,644,638.50
  6. Step 6: Final answer
    x = 17,453,621.65

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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.