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Finding the Third Proportional to 17,570 and 38,140

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Solution

The third proportional to 17,570 and 38,140 is: 82,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,570 : 38,140 = 38,140 : x
  2. Step 2: Convert to fraction form
    17,570/38,140 = 38,140/x
  3. Step 3: Cross multiply
    17,570x = 38,140 × 38,140
  4. Step 4: Simplify right side
    17,570x = 1,454,659,600
  5. Step 5: Solve for x
    x = 1,454,659,600/17,570
  6. Step 6: Final answer
    x = 82,792.24

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.