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Finding the Third Proportional to 313,258.50 and 470,581.50

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Solution

The third proportional to 313,258.50 and 470,581.50 is: 706,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,258.50 : 470,581.50 = 470,581.50 : x
  2. Step 2: Convert to fraction form
    313,258.50/470,581.50 = 470,581.50/x
  3. Step 3: Cross multiply
    313,258.50x = 470,581.50 × 470,581.50
  4. Step 4: Simplify right side
    313,258.50x = 221,446,948,142.25
  5. Step 5: Solve for x
    x = 221,446,948,142.25/313,258.50
  6. Step 6: Final answer
    x = 706,914.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.