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Finding the Third Proportional to 5,818.50 and 8,924.63

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Solution

The third proportional to 5,818.50 and 8,924.63 is: 13,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.50 : 8,924.63 = 8,924.63 : x
  2. Step 2: Convert to fraction form
    5,818.50/8,924.63 = 8,924.63/x
  3. Step 3: Cross multiply
    5,818.50x = 8,924.63 × 8,924.63
  4. Step 4: Simplify right side
    5,818.50x = 79,648,931.39
  5. Step 5: Solve for x
    x = 79,648,931.39/5,818.50
  6. Step 6: Final answer
    x = 13,688.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.