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Finding the Third Proportional to 1,292,502.50 and 1,811,208

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Solution

The third proportional to 1,292,502.50 and 1,811,208 is: 2,538,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,502.50 : 1,811,208 = 1,811,208 : x
  2. Step 2: Convert to fraction form
    1,292,502.50/1,811,208 = 1,811,208/x
  3. Step 3: Cross multiply
    1,292,502.50x = 1,811,208 × 1,811,208
  4. Step 4: Simplify right side
    1,292,502.50x = 3,280,474,419,264
  5. Step 5: Solve for x
    x = 3,280,474,419,264/1,292,502.50
  6. Step 6: Final answer
    x = 2,538,079.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.