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Finding the Third Proportional to 7,575,781 and 11,372,420

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Solution

The third proportional to 7,575,781 and 11,372,420 is: 17,071,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575,781 : 11,372,420 = 11,372,420 : x
  2. Step 2: Convert to fraction form
    7,575,781/11,372,420 = 11,372,420/x
  3. Step 3: Cross multiply
    7,575,781x = 11,372,420 × 11,372,420
  4. Step 4: Simplify right side
    7,575,781x = 129,331,936,656,400
  5. Step 5: Solve for x
    x = 129,331,936,656,400/7,575,781
  6. Step 6: Final answer
    x = 17,071,762.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.