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Finding the Third Proportional to 7,290,263 and 11,221,167

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Solution

The third proportional to 7,290,263 and 11,221,167 is: 17,271,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,263 : 11,221,167 = 11,221,167 : x
  2. Step 2: Convert to fraction form
    7,290,263/11,221,167 = 11,221,167/x
  3. Step 3: Cross multiply
    7,290,263x = 11,221,167 × 11,221,167
  4. Step 4: Simplify right side
    7,290,263x = 125,914,588,841,889
  5. Step 5: Solve for x
    x = 125,914,588,841,889/7,290,263
  6. Step 6: Final answer
    x = 17,271,611.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.