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Finding the Third Proportional to 245,353.50 and 369,258.50

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Solution

The third proportional to 245,353.50 and 369,258.50 is: 555,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,353.50 : 369,258.50 = 369,258.50 : x
  2. Step 2: Convert to fraction form
    245,353.50/369,258.50 = 369,258.50/x
  3. Step 3: Cross multiply
    245,353.50x = 369,258.50 × 369,258.50
  4. Step 4: Simplify right side
    245,353.50x = 136,351,839,822.25
  5. Step 5: Solve for x
    x = 136,351,839,822.25/245,353.50
  6. Step 6: Final answer
    x = 555,736.27

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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.