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Finding the Third Proportional to 1,373,085 and 2,990,272.50

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Solution

The third proportional to 1,373,085 and 2,990,272.50 is: 6,512,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,085 : 2,990,272.50 = 2,990,272.50 : x
  2. Step 2: Convert to fraction form
    1,373,085/2,990,272.50 = 2,990,272.50/x
  3. Step 3: Cross multiply
    1,373,085x = 2,990,272.50 × 2,990,272.50
  4. Step 4: Simplify right side
    1,373,085x = 8,941,729,624,256.25
  5. Step 5: Solve for x
    x = 8,941,729,624,256.25/1,373,085
  6. Step 6: Final answer
    x = 6,512,145.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.