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Finding the Third Proportional to 15,982,221 and 34,518,174

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Solution

The third proportional to 15,982,221 and 34,518,174 is: 74,551,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982,221 : 34,518,174 = 34,518,174 : x
  2. Step 2: Convert to fraction form
    15,982,221/34,518,174 = 34,518,174/x
  3. Step 3: Cross multiply
    15,982,221x = 34,518,174 × 34,518,174
  4. Step 4: Simplify right side
    15,982,221x = 1,191,504,336,294,276
  5. Step 5: Solve for x
    x = 1,191,504,336,294,276/15,982,221
  6. Step 6: Final answer
    x = 74,551,862.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.