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Finding the Third Proportional to 11,745 and 19,534.50

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Solution

The third proportional to 11,745 and 19,534.50 is: 32,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745 : 19,534.50 = 19,534.50 : x
  2. Step 2: Convert to fraction form
    11,745/19,534.50 = 19,534.50/x
  3. Step 3: Cross multiply
    11,745x = 19,534.50 × 19,534.50
  4. Step 4: Simplify right side
    11,745x = 381,596,690.25
  5. Step 5: Solve for x
    x = 381,596,690.25/11,745
  6. Step 6: Final answer
    x = 32,490.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.