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Finding the Third Proportional to 317,479.50 and 486,334.13

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Solution

The third proportional to 317,479.50 and 486,334.13 is: 744,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,479.50 : 486,334.13 = 486,334.13 : x
  2. Step 2: Convert to fraction form
    317,479.50/486,334.13 = 486,334.13/x
  3. Step 3: Cross multiply
    317,479.50x = 486,334.13 × 486,334.13
  4. Step 4: Simplify right side
    317,479.50x = 236,520,881,139.52
  5. Step 5: Solve for x
    x = 236,520,881,139.52/317,479.50
  6. Step 6: Final answer
    x = 744,995.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.