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Finding the Third Proportional to 115,852 and 253,880

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Solution

The third proportional to 115,852 and 253,880 is: 556,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,852 : 253,880 = 253,880 : x
  2. Step 2: Convert to fraction form
    115,852/253,880 = 253,880/x
  3. Step 3: Cross multiply
    115,852x = 253,880 × 253,880
  4. Step 4: Simplify right side
    115,852x = 64,455,054,400
  5. Step 5: Solve for x
    x = 64,455,054,400/115,852
  6. Step 6: Final answer
    x = 556,356.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.