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Finding the Third Proportional to 15,672,909 and 33,242,197

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Solution

The third proportional to 15,672,909 and 33,242,197 is: 70,506,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,909 : 33,242,197 = 33,242,197 : x
  2. Step 2: Convert to fraction form
    15,672,909/33,242,197 = 33,242,197/x
  3. Step 3: Cross multiply
    15,672,909x = 33,242,197 × 33,242,197
  4. Step 4: Simplify right side
    15,672,909x = 1,105,043,661,386,809
  5. Step 5: Solve for x
    x = 1,105,043,661,386,809/15,672,909
  6. Step 6: Final answer
    x = 70,506,608.66

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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.