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Finding the Third Proportional to 248,979.38 and 376,433.63

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Solution

The third proportional to 248,979.38 and 376,433.63 is: 569,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,979.38 : 376,433.63 = 376,433.63 : x
  2. Step 2: Convert to fraction form
    248,979.38/376,433.63 = 376,433.63/x
  3. Step 3: Cross multiply
    248,979.38x = 376,433.63 × 376,433.63
  4. Step 4: Simplify right side
    248,979.38x = 141,702,274,030.64
  5. Step 5: Solve for x
    x = 141,702,274,030.64/248,979.38
  6. Step 6: Final answer
    x = 569,132.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.