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Finding the Third Proportional to 7,476 and 15,440

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Solution

The third proportional to 7,476 and 15,440 is: 31,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476 : 15,440 = 15,440 : x
  2. Step 2: Convert to fraction form
    7,476/15,440 = 15,440/x
  3. Step 3: Cross multiply
    7,476x = 15,440 × 15,440
  4. Step 4: Simplify right side
    7,476x = 238,393,600
  5. Step 5: Solve for x
    x = 238,393,600/7,476
  6. Step 6: Final answer
    x = 31,887.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.