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Finding the Third Proportional to 64,954 and 139,304

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Solution

The third proportional to 64,954 and 139,304 is: 298,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954 : 139,304 = 139,304 : x
  2. Step 2: Convert to fraction form
    64,954/139,304 = 139,304/x
  3. Step 3: Cross multiply
    64,954x = 139,304 × 139,304
  4. Step 4: Simplify right side
    64,954x = 19,405,604,416
  5. Step 5: Solve for x
    x = 19,405,604,416/64,954
  6. Step 6: Final answer
    x = 298,759.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.