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Finding the Third Proportional to 448,656 and 988,356

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Solution

The third proportional to 448,656 and 988,356 is: 2,177,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,656 : 988,356 = 988,356 : x
  2. Step 2: Convert to fraction form
    448,656/988,356 = 988,356/x
  3. Step 3: Cross multiply
    448,656x = 988,356 × 988,356
  4. Step 4: Simplify right side
    448,656x = 976,847,582,736
  5. Step 5: Solve for x
    x = 976,847,582,736/448,656
  6. Step 6: Final answer
    x = 2,177,275.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.