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Finding the Third Proportional to 317,360.50 and 463,879

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Solution

The third proportional to 317,360.50 and 463,879 is: 678,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,360.50 : 463,879 = 463,879 : x
  2. Step 2: Convert to fraction form
    317,360.50/463,879 = 463,879/x
  3. Step 3: Cross multiply
    317,360.50x = 463,879 × 463,879
  4. Step 4: Simplify right side
    317,360.50x = 215,183,726,641
  5. Step 5: Solve for x
    x = 215,183,726,641/317,360.50
  6. Step 6: Final answer
    x = 678,041.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.