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Finding the Third Proportional to 194,440 and 317,502

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Solution

The third proportional to 194,440 and 317,502 is: 518,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,440 : 317,502 = 317,502 : x
  2. Step 2: Convert to fraction form
    194,440/317,502 = 317,502/x
  3. Step 3: Cross multiply
    194,440x = 317,502 × 317,502
  4. Step 4: Simplify right side
    194,440x = 100,807,520,004
  5. Step 5: Solve for x
    x = 100,807,520,004/194,440
  6. Step 6: Final answer
    x = 518,450.52

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.