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Finding the Third Proportional to 18,372,148 and 42,911,986

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Solution

The third proportional to 18,372,148 and 42,911,986 is: 100,229,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,148 : 42,911,986 = 42,911,986 : x
  2. Step 2: Convert to fraction form
    18,372,148/42,911,986 = 42,911,986/x
  3. Step 3: Cross multiply
    18,372,148x = 42,911,986 × 42,911,986
  4. Step 4: Simplify right side
    18,372,148x = 1,841,438,542,464,196
  5. Step 5: Solve for x
    x = 1,841,438,542,464,196/18,372,148
  6. Step 6: Final answer
    x = 100,229,899.22

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.