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Finding the Third Proportional to 7,269,128 and 15,858,460

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Solution

The third proportional to 7,269,128 and 15,858,460 is: 34,597,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269,128 : 15,858,460 = 15,858,460 : x
  2. Step 2: Convert to fraction form
    7,269,128/15,858,460 = 15,858,460/x
  3. Step 3: Cross multiply
    7,269,128x = 15,858,460 × 15,858,460
  4. Step 4: Simplify right side
    7,269,128x = 251,490,753,571,600
  5. Step 5: Solve for x
    x = 251,490,753,571,600/7,269,128
  6. Step 6: Final answer
    x = 34,597,100.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.