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Finding the Third Proportional to 28,189.50 and 44,603

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Solution

The third proportional to 28,189.50 and 44,603 is: 70,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.50 : 44,603 = 44,603 : x
  2. Step 2: Convert to fraction form
    28,189.50/44,603 = 44,603/x
  3. Step 3: Cross multiply
    28,189.50x = 44,603 × 44,603
  4. Step 4: Simplify right side
    28,189.50x = 1,989,427,609
  5. Step 5: Solve for x
    x = 1,989,427,609/28,189.50
  6. Step 6: Final answer
    x = 70,573.36

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.