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Finding the Third Proportional to 20,926.50 and 29,835

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Solution

The third proportional to 20,926.50 and 29,835 is: 42,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.50 : 29,835 = 29,835 : x
  2. Step 2: Convert to fraction form
    20,926.50/29,835 = 29,835/x
  3. Step 3: Cross multiply
    20,926.50x = 29,835 × 29,835
  4. Step 4: Simplify right side
    20,926.50x = 890,127,225
  5. Step 5: Solve for x
    x = 890,127,225/20,926.50
  6. Step 6: Final answer
    x = 42,535.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.