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Finding the Third Proportional to 113,946.75 and 245,416.50

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Solution

The third proportional to 113,946.75 and 245,416.50 is: 528,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,946.75 : 245,416.50 = 245,416.50 : x
  2. Step 2: Convert to fraction form
    113,946.75/245,416.50 = 245,416.50/x
  3. Step 3: Cross multiply
    113,946.75x = 245,416.50 × 245,416.50
  4. Step 4: Simplify right side
    113,946.75x = 60,229,258,472.25
  5. Step 5: Solve for x
    x = 60,229,258,472.25/113,946.75
  6. Step 6: Final answer
    x = 528,573.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.