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Finding the Third Proportional to 989,448 and 2,168,268

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Solution

The third proportional to 989,448 and 2,168,268 is: 4,751,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,448 : 2,168,268 = 2,168,268 : x
  2. Step 2: Convert to fraction form
    989,448/2,168,268 = 2,168,268/x
  3. Step 3: Cross multiply
    989,448x = 2,168,268 × 2,168,268
  4. Step 4: Simplify right side
    989,448x = 4,701,386,119,824
  5. Step 5: Solve for x
    x = 4,701,386,119,824/989,448
  6. Step 6: Final answer
    x = 4,751,524.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.