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Finding the Third Proportional to 74,882,880 and 115,049,268

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Solution

The third proportional to 74,882,880 and 115,049,268 is: 176,760,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882,880 : 115,049,268 = 115,049,268 : x
  2. Step 2: Convert to fraction form
    74,882,880/115,049,268 = 115,049,268/x
  3. Step 3: Cross multiply
    74,882,880x = 115,049,268 × 115,049,268
  4. Step 4: Simplify right side
    74,882,880x = 13,236,334,067,335,824
  5. Step 5: Solve for x
    x = 13,236,334,067,335,824/74,882,880
  6. Step 6: Final answer
    x = 176,760,483.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.