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Finding the Third Proportional to 1,139,530.94 and 1,738,237.85

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Solution

The third proportional to 1,139,530.94 and 1,738,237.85 is: 2,651,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,530.94 : 1,738,237.85 = 1,738,237.85 : x
  2. Step 2: Convert to fraction form
    1,139,530.94/1,738,237.85 = 1,738,237.85/x
  3. Step 3: Cross multiply
    1,139,530.94x = 1,738,237.85 × 1,738,237.85
  4. Step 4: Simplify right side
    1,139,530.94x = 3,021,470,828,604.62
  5. Step 5: Solve for x
    x = 3,021,470,828,604.62/1,139,530.94
  6. Step 6: Final answer
    x = 2,651,503.99

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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.