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Finding the Third Proportional to 998,496 and 2,154,432

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Solution

The third proportional to 998,496 and 2,154,432 is: 4,648,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,496 : 2,154,432 = 2,154,432 : x
  2. Step 2: Convert to fraction form
    998,496/2,154,432 = 2,154,432/x
  3. Step 3: Cross multiply
    998,496x = 2,154,432 × 2,154,432
  4. Step 4: Simplify right side
    998,496x = 4,641,577,242,624
  5. Step 5: Solve for x
    x = 4,641,577,242,624/998,496
  6. Step 6: Final answer
    x = 4,648,568.69

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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.