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Finding the Third Proportional to 115,922 and 253,984

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Solution

The third proportional to 115,922 and 253,984 is: 556,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922 : 253,984 = 253,984 : x
  2. Step 2: Convert to fraction form
    115,922/253,984 = 253,984/x
  3. Step 3: Cross multiply
    115,922x = 253,984 × 253,984
  4. Step 4: Simplify right side
    115,922x = 64,507,872,256
  5. Step 5: Solve for x
    x = 64,507,872,256/115,922
  6. Step 6: Final answer
    x = 556,476.53

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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.