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Finding the Third Proportional to 216,718.03 and 311,134.92

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Solution

The third proportional to 216,718.03 and 311,134.92 is: 446,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,718.03 : 311,134.92 = 311,134.92 : x
  2. Step 2: Convert to fraction form
    216,718.03/311,134.92 = 311,134.92/x
  3. Step 3: Cross multiply
    216,718.03x = 311,134.92 × 311,134.92
  4. Step 4: Simplify right side
    216,718.03x = 96,804,939,610.16
  5. Step 5: Solve for x
    x = 96,804,939,610.16/216,718.03
  6. Step 6: Final answer
    x = 446,686.13

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.