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Finding the Third Proportional to 73,503,146 and 109,538,031

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Solution

The third proportional to 73,503,146 and 109,538,031 is: 163,239,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503,146 : 109,538,031 = 109,538,031 : x
  2. Step 2: Convert to fraction form
    73,503,146/109,538,031 = 109,538,031/x
  3. Step 3: Cross multiply
    73,503,146x = 109,538,031 × 109,538,031
  4. Step 4: Simplify right side
    73,503,146x = 11,998,580,235,356,960
  5. Step 5: Solve for x
    x = 11,998,580,235,356,960/73,503,146
  6. Step 6: Final answer
    x = 163,239,002.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.