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Finding the Third Proportional to 18,005,058.42 and 42,489,252.42

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Solution

The third proportional to 18,005,058.42 and 42,489,252.42 is: 100,268,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,058.42 : 42,489,252.42 = 42,489,252.42 : x
  2. Step 2: Convert to fraction form
    18,005,058.42/42,489,252.42 = 42,489,252.42/x
  3. Step 3: Cross multiply
    18,005,058.42x = 42,489,252.42 × 42,489,252.42
  4. Step 4: Simplify right side
    18,005,058.42x = 1,805,336,571,369,810.50
  5. Step 5: Solve for x
    x = 1,805,336,571,369,810.50/18,005,058.42
  6. Step 6: Final answer
    x = 100,268,298.45

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.