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Finding the Third Proportional to 154,579.50 and 245,894.63

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Solution

The third proportional to 154,579.50 and 245,894.63 is: 391,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,579.50 : 245,894.63 = 245,894.63 : x
  2. Step 2: Convert to fraction form
    154,579.50/245,894.63 = 245,894.63/x
  3. Step 3: Cross multiply
    154,579.50x = 245,894.63 × 245,894.63
  4. Step 4: Simplify right side
    154,579.50x = 60,464,166,603.89
  5. Step 5: Solve for x
    x = 60,464,166,603.89/154,579.50
  6. Step 6: Final answer
    x = 391,152.56

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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.