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Finding the Third Proportional to 7,129,896 and 15,396,188

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Solution

The third proportional to 7,129,896 and 15,396,188 is: 33,246,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,896 : 15,396,188 = 15,396,188 : x
  2. Step 2: Convert to fraction form
    7,129,896/15,396,188 = 15,396,188/x
  3. Step 3: Cross multiply
    7,129,896x = 15,396,188 × 15,396,188
  4. Step 4: Simplify right side
    7,129,896x = 237,042,604,931,344
  5. Step 5: Solve for x
    x = 237,042,604,931,344/7,129,896
  6. Step 6: Final answer
    x = 33,246,292.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.