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Finding the Third Proportional to 21,328.38 and 45,927.14

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Solution

The third proportional to 21,328.38 and 45,927.14 is: 98,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328.38 : 45,927.14 = 45,927.14 : x
  2. Step 2: Convert to fraction form
    21,328.38/45,927.14 = 45,927.14/x
  3. Step 3: Cross multiply
    21,328.38x = 45,927.14 × 45,927.14
  4. Step 4: Simplify right side
    21,328.38x = 2,109,302,245.99
  5. Step 5: Solve for x
    x = 2,109,302,245.99/21,328.38
  6. Step 6: Final answer
    x = 98,896.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.