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Finding the Third Proportional to 14,312.32 and 18,643.61

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Solution

The third proportional to 14,312.32 and 18,643.61 is: 24,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.32 : 18,643.61 = 18,643.61 : x
  2. Step 2: Convert to fraction form
    14,312.32/18,643.61 = 18,643.61/x
  3. Step 3: Cross multiply
    14,312.32x = 18,643.61 × 18,643.61
  4. Step 4: Simplify right side
    14,312.32x = 347,584,024.87
  5. Step 5: Solve for x
    x = 347,584,024.87/14,312.32
  6. Step 6: Final answer
    x = 24,285.65

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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.