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Finding the Third Proportional to 62,478,240 and 135,703,040

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Solution

The third proportional to 62,478,240 and 135,703,040 is: 294,747,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478,240 : 135,703,040 = 135,703,040 : x
  2. Step 2: Convert to fraction form
    62,478,240/135,703,040 = 135,703,040/x
  3. Step 3: Cross multiply
    62,478,240x = 135,703,040 × 135,703,040
  4. Step 4: Simplify right side
    62,478,240x = 18,415,315,065,241,600
  5. Step 5: Solve for x
    x = 18,415,315,065,241,600/62,478,240
  6. Step 6: Final answer
    x = 294,747,660.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.