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Finding the Third Proportional to 13,416 and 19,708

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Solution

The third proportional to 13,416 and 19,708 is: 28,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416 : 19,708 = 19,708 : x
  2. Step 2: Convert to fraction form
    13,416/19,708 = 19,708/x
  3. Step 3: Cross multiply
    13,416x = 19,708 × 19,708
  4. Step 4: Simplify right side
    13,416x = 388,405,264
  5. Step 5: Solve for x
    x = 388,405,264/13,416
  6. Step 6: Final answer
    x = 28,950.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.