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Finding the Third Proportional to 30,187,040 and 65,179,612

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Solution

The third proportional to 30,187,040 and 65,179,612 is: 140,735,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187,040 : 65,179,612 = 65,179,612 : x
  2. Step 2: Convert to fraction form
    30,187,040/65,179,612 = 65,179,612/x
  3. Step 3: Cross multiply
    30,187,040x = 65,179,612 × 65,179,612
  4. Step 4: Simplify right side
    30,187,040x = 4,248,381,820,470,544
  5. Step 5: Solve for x
    x = 4,248,381,820,470,544/30,187,040
  6. Step 6: Final answer
    x = 140,735,289.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.