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Finding the Third Proportional to 15,731,122 and 33,648,272

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Solution

The third proportional to 15,731,122 and 33,648,272 is: 71,972,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731,122 : 33,648,272 = 33,648,272 : x
  2. Step 2: Convert to fraction form
    15,731,122/33,648,272 = 33,648,272/x
  3. Step 3: Cross multiply
    15,731,122x = 33,648,272 × 33,648,272
  4. Step 4: Simplify right side
    15,731,122x = 1,132,206,208,585,984
  5. Step 5: Solve for x
    x = 1,132,206,208,585,984/15,731,122
  6. Step 6: Final answer
    x = 71,972,374.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.