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Finding the Third Proportional to 18,276,169 and 40,139,127

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Solution

The third proportional to 18,276,169 and 40,139,127 is: 88,155,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276,169 : 40,139,127 = 40,139,127 : x
  2. Step 2: Convert to fraction form
    18,276,169/40,139,127 = 40,139,127/x
  3. Step 3: Cross multiply
    18,276,169x = 40,139,127 × 40,139,127
  4. Step 4: Simplify right side
    18,276,169x = 1,611,149,516,322,129
  5. Step 5: Solve for x
    x = 1,611,149,516,322,129/18,276,169
  6. Step 6: Final answer
    x = 88,155,757.17

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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.