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Finding the Third Proportional to 28,990.13 and 61,093.13

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Solution

The third proportional to 28,990.13 and 61,093.13 is: 128,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.13 : 61,093.13 = 61,093.13 : x
  2. Step 2: Convert to fraction form
    28,990.13/61,093.13 = 61,093.13/x
  3. Step 3: Cross multiply
    28,990.13x = 61,093.13 × 61,093.13
  4. Step 4: Simplify right side
    28,990.13x = 3,732,369,922.27
  5. Step 5: Solve for x
    x = 3,732,369,922.27/28,990.13
  6. Step 6: Final answer
    x = 128,746.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.