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Finding the Third Proportional to 1,288,260 and 2,798,500.50

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Solution

The third proportional to 1,288,260 and 2,798,500.50 is: 6,079,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,260 : 2,798,500.50 = 2,798,500.50 : x
  2. Step 2: Convert to fraction form
    1,288,260/2,798,500.50 = 2,798,500.50/x
  3. Step 3: Cross multiply
    1,288,260x = 2,798,500.50 × 2,798,500.50
  4. Step 4: Simplify right side
    1,288,260x = 7,831,605,048,500.25
  5. Step 5: Solve for x
    x = 7,831,605,048,500.25/1,288,260
  6. Step 6: Final answer
    x = 6,079,211.53

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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.