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Finding the Third Proportional to 459,540 and 992,871

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Solution

The third proportional to 459,540 and 992,871 is: 2,145,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,540 : 992,871 = 992,871 : x
  2. Step 2: Convert to fraction form
    459,540/992,871 = 992,871/x
  3. Step 3: Cross multiply
    459,540x = 992,871 × 992,871
  4. Step 4: Simplify right side
    459,540x = 985,792,822,641
  5. Step 5: Solve for x
    x = 985,792,822,641/459,540
  6. Step 6: Final answer
    x = 2,145,173.05

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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.