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Finding the Third Proportional to 10,872,431.44 and 15,208,434

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Solution

The third proportional to 10,872,431.44 and 15,208,434 is: 21,273,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,431.44 : 15,208,434 = 15,208,434 : x
  2. Step 2: Convert to fraction form
    10,872,431.44/15,208,434 = 15,208,434/x
  3. Step 3: Cross multiply
    10,872,431.44x = 15,208,434 × 15,208,434
  4. Step 4: Simplify right side
    10,872,431.44x = 231,296,464,732,356
  5. Step 5: Solve for x
    x = 231,296,464,732,356/10,872,431.44
  6. Step 6: Final answer
    x = 21,273,665.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.