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Finding the Third Proportional to 18,650,748 and 40,135,847

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Solution

The third proportional to 18,650,748 and 40,135,847 is: 86,371,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,748 : 40,135,847 = 40,135,847 : x
  2. Step 2: Convert to fraction form
    18,650,748/40,135,847 = 40,135,847/x
  3. Step 3: Cross multiply
    18,650,748x = 40,135,847 × 40,135,847
  4. Step 4: Simplify right side
    18,650,748x = 1,610,886,214,407,409
  5. Step 5: Solve for x
    x = 1,610,886,214,407,409/18,650,748
  6. Step 6: Final answer
    x = 86,371,131.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.