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Finding the Third Proportional to 115,557 and 247,425.75

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Solution

The third proportional to 115,557 and 247,425.75 is: 529,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,557 : 247,425.75 = 247,425.75 : x
  2. Step 2: Convert to fraction form
    115,557/247,425.75 = 247,425.75/x
  3. Step 3: Cross multiply
    115,557x = 247,425.75 × 247,425.75
  4. Step 4: Simplify right side
    115,557x = 61,219,501,763.06
  5. Step 5: Solve for x
    x = 61,219,501,763.06/115,557
  6. Step 6: Final answer
    x = 529,777.53

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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.