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Finding the Third Proportional to 8,759,728 and 18,730,040

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Solution

The third proportional to 8,759,728 and 18,730,040 is: 40,048,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,728 : 18,730,040 = 18,730,040 : x
  2. Step 2: Convert to fraction form
    8,759,728/18,730,040 = 18,730,040/x
  3. Step 3: Cross multiply
    8,759,728x = 18,730,040 × 18,730,040
  4. Step 4: Simplify right side
    8,759,728x = 350,814,398,401,600
  5. Step 5: Solve for x
    x = 350,814,398,401,600/8,759,728
  6. Step 6: Final answer
    x = 40,048,549.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.