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Finding the Third Proportional to 992,950 and 2,143,319

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Solution

The third proportional to 992,950 and 2,143,319 is: 4,626,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,950 : 2,143,319 = 2,143,319 : x
  2. Step 2: Convert to fraction form
    992,950/2,143,319 = 2,143,319/x
  3. Step 3: Cross multiply
    992,950x = 2,143,319 × 2,143,319
  4. Step 4: Simplify right side
    992,950x = 4,593,816,335,761
  5. Step 5: Solve for x
    x = 4,593,816,335,761/992,950
  6. Step 6: Final answer
    x = 4,626,432.69

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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.