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Finding the Third Proportional to 45,721,540 and 69,654,199

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Solution

The third proportional to 45,721,540 and 69,654,199 is: 106,114,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721,540 : 69,654,199 = 69,654,199 : x
  2. Step 2: Convert to fraction form
    45,721,540/69,654,199 = 69,654,199/x
  3. Step 3: Cross multiply
    45,721,540x = 69,654,199 × 69,654,199
  4. Step 4: Simplify right side
    45,721,540x = 4,851,707,438,331,601
  5. Step 5: Solve for x
    x = 4,851,707,438,331,601/45,721,540
  6. Step 6: Final answer
    x = 106,114,261.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.