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Finding the Third Proportional to 15,672,905 and 33,242,189

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Solution

The third proportional to 15,672,905 and 33,242,189 is: 70,506,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,905 : 33,242,189 = 33,242,189 : x
  2. Step 2: Convert to fraction form
    15,672,905/33,242,189 = 33,242,189/x
  3. Step 3: Cross multiply
    15,672,905x = 33,242,189 × 33,242,189
  4. Step 4: Simplify right side
    15,672,905x = 1,105,043,129,511,721
  5. Step 5: Solve for x
    x = 1,105,043,129,511,721/15,672,905
  6. Step 6: Final answer
    x = 70,506,592.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.