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Finding the Third Proportional to 528,079 and 1,121,604

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Solution

The third proportional to 528,079 and 1,121,604 is: 2,382,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,079 : 1,121,604 = 1,121,604 : x
  2. Step 2: Convert to fraction form
    528,079/1,121,604 = 1,121,604/x
  3. Step 3: Cross multiply
    528,079x = 1,121,604 × 1,121,604
  4. Step 4: Simplify right side
    528,079x = 1,257,995,532,816
  5. Step 5: Solve for x
    x = 1,257,995,532,816/528,079
  6. Step 6: Final answer
    x = 2,382,210.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.