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Finding the Third Proportional to 208,074 and 313,535

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Solution

The third proportional to 208,074 and 313,535 is: 472,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,074 : 313,535 = 313,535 : x
  2. Step 2: Convert to fraction form
    208,074/313,535 = 313,535/x
  3. Step 3: Cross multiply
    208,074x = 313,535 × 313,535
  4. Step 4: Simplify right side
    208,074x = 98,304,196,225
  5. Step 5: Solve for x
    x = 98,304,196,225/208,074
  6. Step 6: Final answer
    x = 472,448.25

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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.