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Finding the Third Proportional to 576,988 and 1,335,621

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Solution

The third proportional to 576,988 and 1,335,621 is: 3,091,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,988 : 1,335,621 = 1,335,621 : x
  2. Step 2: Convert to fraction form
    576,988/1,335,621 = 1,335,621/x
  3. Step 3: Cross multiply
    576,988x = 1,335,621 × 1,335,621
  4. Step 4: Simplify right side
    576,988x = 1,783,883,455,641
  5. Step 5: Solve for x
    x = 1,783,883,455,641/576,988
  6. Step 6: Final answer
    x = 3,091,716.74

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.