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Finding the Third Proportional to 117,973,620 and 180,552,942

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Solution

The third proportional to 117,973,620 and 180,552,942 is: 276,327,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973,620 : 180,552,942 = 180,552,942 : x
  2. Step 2: Convert to fraction form
    117,973,620/180,552,942 = 180,552,942/x
  3. Step 3: Cross multiply
    117,973,620x = 180,552,942 × 180,552,942
  4. Step 4: Simplify right side
    117,973,620x = 32,599,364,864,855,364
  5. Step 5: Solve for x
    x = 32,599,364,864,855,364/117,973,620
  6. Step 6: Final answer
    x = 276,327,579.55

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.