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Finding the Third Proportional to 7,373,945.53 and 11,163,381.19

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Solution

The third proportional to 7,373,945.53 and 11,163,381.19 is: 16,900,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373,945.53 : 11,163,381.19 = 11,163,381.19 : x
  2. Step 2: Convert to fraction form
    7,373,945.53/11,163,381.19 = 11,163,381.19/x
  3. Step 3: Cross multiply
    7,373,945.53x = 11,163,381.19 × 11,163,381.19
  4. Step 4: Simplify right side
    7,373,945.53x = 124,621,079,537,428.91
  5. Step 5: Solve for x
    x = 124,621,079,537,428.91/7,373,945.53
  6. Step 6: Final answer
    x = 16,900,189.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.