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Finding the Third Proportional to 18,621 and 28,964

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Solution

The third proportional to 18,621 and 28,964 is: 45,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621 : 28,964 = 28,964 : x
  2. Step 2: Convert to fraction form
    18,621/28,964 = 28,964/x
  3. Step 3: Cross multiply
    18,621x = 28,964 × 28,964
  4. Step 4: Simplify right side
    18,621x = 838,913,296
  5. Step 5: Solve for x
    x = 838,913,296/18,621
  6. Step 6: Final answer
    x = 45,052.00

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.