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Finding the Third Proportional to 213,583 and 317,082

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Solution

The third proportional to 213,583 and 317,082 is: 470,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,583 : 317,082 = 317,082 : x
  2. Step 2: Convert to fraction form
    213,583/317,082 = 317,082/x
  3. Step 3: Cross multiply
    213,583x = 317,082 × 317,082
  4. Step 4: Simplify right side
    213,583x = 100,540,994,724
  5. Step 5: Solve for x
    x = 100,540,994,724/213,583
  6. Step 6: Final answer
    x = 470,735.01

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.