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Finding the Third Proportional to 5,507,470 and 11,929,988

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Solution

The third proportional to 5,507,470 and 11,929,988 is: 25,842,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507,470 : 11,929,988 = 11,929,988 : x
  2. Step 2: Convert to fraction form
    5,507,470/11,929,988 = 11,929,988/x
  3. Step 3: Cross multiply
    5,507,470x = 11,929,988 × 11,929,988
  4. Step 4: Simplify right side
    5,507,470x = 142,324,613,680,144
  5. Step 5: Solve for x
    x = 142,324,613,680,144/5,507,470
  6. Step 6: Final answer
    x = 25,842,104.21

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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.