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Finding the Third Proportional to 7,115 and 14,230

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Solution

The third proportional to 7,115 and 14,230 is: 28,460

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115 : 14,230 = 14,230 : x
  2. Step 2: Convert to fraction form
    7,115/14,230 = 14,230/x
  3. Step 3: Cross multiply
    7,115x = 14,230 × 14,230
  4. Step 4: Simplify right side
    7,115x = 202,492,900
  5. Step 5: Solve for x
    x = 202,492,900/7,115
  6. Step 6: Final answer
    x = 28,460

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.