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Finding the Third Proportional to 5,722,207.50 and 8,020,846.50

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Solution

The third proportional to 5,722,207.50 and 8,020,846.50 is: 11,242,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722,207.50 : 8,020,846.50 = 8,020,846.50 : x
  2. Step 2: Convert to fraction form
    5,722,207.50/8,020,846.50 = 8,020,846.50/x
  3. Step 3: Cross multiply
    5,722,207.50x = 8,020,846.50 × 8,020,846.50
  4. Step 4: Simplify right side
    5,722,207.50x = 64,333,978,576,562.25
  5. Step 5: Solve for x
    x = 64,333,978,576,562.25/5,722,207.50
  6. Step 6: Final answer
    x = 11,242,860.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.