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Finding the Third Proportional to 7,069,468 and 11,212,188

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Solution

The third proportional to 7,069,468 and 11,212,188 is: 17,782,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,468 : 11,212,188 = 11,212,188 : x
  2. Step 2: Convert to fraction form
    7,069,468/11,212,188 = 11,212,188/x
  3. Step 3: Cross multiply
    7,069,468x = 11,212,188 × 11,212,188
  4. Step 4: Simplify right side
    7,069,468x = 125,713,159,747,344
  5. Step 5: Solve for x
    x = 125,713,159,747,344/7,069,468
  6. Step 6: Final answer
    x = 17,782,548.81

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.