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Finding the Third Proportional to 154,579.13 and 245,886.75

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Solution

The third proportional to 154,579.13 and 245,886.75 is: 391,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,579.13 : 245,886.75 = 245,886.75 : x
  2. Step 2: Convert to fraction form
    154,579.13/245,886.75 = 245,886.75/x
  3. Step 3: Cross multiply
    154,579.13x = 245,886.75 × 245,886.75
  4. Step 4: Simplify right side
    154,579.13x = 60,460,293,825.56
  5. Step 5: Solve for x
    x = 60,460,293,825.56/154,579.13
  6. Step 6: Final answer
    x = 391,128.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.