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Finding the Third Proportional to 45,840,390 and 68,760,603

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Solution

The third proportional to 45,840,390 and 68,760,603 is: 103,140,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840,390 : 68,760,603 = 68,760,603 : x
  2. Step 2: Convert to fraction form
    45,840,390/68,760,603 = 68,760,603/x
  3. Step 3: Cross multiply
    45,840,390x = 68,760,603 × 68,760,603
  4. Step 4: Simplify right side
    45,840,390x = 4,728,020,524,923,609
  5. Step 5: Solve for x
    x = 4,728,020,524,923,609/45,840,390
  6. Step 6: Final answer
    x = 103,140,931.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.