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Finding the Third Proportional to 45,661,642 and 68,879,535

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Solution

The third proportional to 45,661,642 and 68,879,535 is: 103,903,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661,642 : 68,879,535 = 68,879,535 : x
  2. Step 2: Convert to fraction form
    45,661,642/68,879,535 = 68,879,535/x
  3. Step 3: Cross multiply
    45,661,642x = 68,879,535 × 68,879,535
  4. Step 4: Simplify right side
    45,661,642x = 4,744,390,341,816,225
  5. Step 5: Solve for x
    x = 4,744,390,341,816,225/45,661,642
  6. Step 6: Final answer
    x = 103,903,191.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.