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Finding the Third Proportional to 18,646,050 and 40,992,360

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Solution

The third proportional to 18,646,050 and 40,992,360 is: 90,119,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646,050 : 40,992,360 = 40,992,360 : x
  2. Step 2: Convert to fraction form
    18,646,050/40,992,360 = 40,992,360/x
  3. Step 3: Cross multiply
    18,646,050x = 40,992,360 × 40,992,360
  4. Step 4: Simplify right side
    18,646,050x = 1,680,373,578,369,600
  5. Step 5: Solve for x
    x = 1,680,373,578,369,600/18,646,050
  6. Step 6: Final answer
    x = 90,119,546.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.