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Finding the Third Proportional to 317,732 and 495,354

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Solution

The third proportional to 317,732 and 495,354 is: 772,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,732 : 495,354 = 495,354 : x
  2. Step 2: Convert to fraction form
    317,732/495,354 = 495,354/x
  3. Step 3: Cross multiply
    317,732x = 495,354 × 495,354
  4. Step 4: Simplify right side
    317,732x = 245,375,585,316
  5. Step 5: Solve for x
    x = 245,375,585,316/317,732
  6. Step 6: Final answer
    x = 772,272.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.