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Finding the Third Proportional to 207,896 and 313,726

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Solution

The third proportional to 207,896 and 313,726 is: 473,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,896 : 313,726 = 313,726 : x
  2. Step 2: Convert to fraction form
    207,896/313,726 = 313,726/x
  3. Step 3: Cross multiply
    207,896x = 313,726 × 313,726
  4. Step 4: Simplify right side
    207,896x = 98,424,003,076
  5. Step 5: Solve for x
    x = 98,424,003,076/207,896
  6. Step 6: Final answer
    x = 473,429.04

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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.