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Finding the Third Proportional to 518,040 and 1,121,188.50

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Solution

The third proportional to 518,040 and 1,121,188.50 is: 2,426,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,040 : 1,121,188.50 = 1,121,188.50 : x
  2. Step 2: Convert to fraction form
    518,040/1,121,188.50 = 1,121,188.50/x
  3. Step 3: Cross multiply
    518,040x = 1,121,188.50 × 1,121,188.50
  4. Step 4: Simplify right side
    518,040x = 1,257,063,652,532.25
  5. Step 5: Solve for x
    x = 1,257,063,652,532.25/518,040
  6. Step 6: Final answer
    x = 2,426,576.43

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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.