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Finding the Third Proportional to 7,129,884 and 15,396,164

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Solution

The third proportional to 7,129,884 and 15,396,164 is: 33,246,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,884 : 15,396,164 = 15,396,164 : x
  2. Step 2: Convert to fraction form
    7,129,884/15,396,164 = 15,396,164/x
  3. Step 3: Cross multiply
    7,129,884x = 15,396,164 × 15,396,164
  4. Step 4: Simplify right side
    7,129,884x = 237,041,865,914,896
  5. Step 5: Solve for x
    x = 237,041,865,914,896/7,129,884
  6. Step 6: Final answer
    x = 33,246,244.39

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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.