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Finding the Third Proportional to 528,040 and 818,034

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Solution

The third proportional to 528,040 and 818,034 is: 1,267,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,040 : 818,034 = 818,034 : x
  2. Step 2: Convert to fraction form
    528,040/818,034 = 818,034/x
  3. Step 3: Cross multiply
    528,040x = 818,034 × 818,034
  4. Step 4: Simplify right side
    528,040x = 669,179,625,156
  5. Step 5: Solve for x
    x = 669,179,625,156/528,040
  6. Step 6: Final answer
    x = 1,267,289.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.