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Finding the Third Proportional to 4,330 and 5,630

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Solution

The third proportional to 4,330 and 5,630 is: 7,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330 : 5,630 = 5,630 : x
  2. Step 2: Convert to fraction form
    4,330/5,630 = 5,630/x
  3. Step 3: Cross multiply
    4,330x = 5,630 × 5,630
  4. Step 4: Simplify right side
    4,330x = 31,696,900
  5. Step 5: Solve for x
    x = 31,696,900/4,330
  6. Step 6: Final answer
    x = 7,320.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.