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Finding the Third Proportional to 50,278 and 70,278

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Solution

The third proportional to 50,278 and 70,278 is: 98,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278 : 70,278 = 70,278 : x
  2. Step 2: Convert to fraction form
    50,278/70,278 = 70,278/x
  3. Step 3: Cross multiply
    50,278x = 70,278 × 70,278
  4. Step 4: Simplify right side
    50,278x = 4,938,997,284
  5. Step 5: Solve for x
    x = 4,938,997,284/50,278
  6. Step 6: Final answer
    x = 98,233.77

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.