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Finding the Third Proportional to 28,969,808 and 62,921,872

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Solution

The third proportional to 28,969,808 and 62,921,872 is: 136,665,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,808 : 62,921,872 = 62,921,872 : x
  2. Step 2: Convert to fraction form
    28,969,808/62,921,872 = 62,921,872/x
  3. Step 3: Cross multiply
    28,969,808x = 62,921,872 × 62,921,872
  4. Step 4: Simplify right side
    28,969,808x = 3,959,161,975,984,384
  5. Step 5: Solve for x
    x = 3,959,161,975,984,384/28,969,808
  6. Step 6: Final answer
    x = 136,665,109.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.