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Finding the Third Proportional to 136,576.50 and 290,101.50

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Solution

The third proportional to 136,576.50 and 290,101.50 is: 616,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.50 : 290,101.50 = 290,101.50 : x
  2. Step 2: Convert to fraction form
    136,576.50/290,101.50 = 290,101.50/x
  3. Step 3: Cross multiply
    136,576.50x = 290,101.50 × 290,101.50
  4. Step 4: Simplify right side
    136,576.50x = 84,158,880,302.25
  5. Step 5: Solve for x
    x = 84,158,880,302.25/136,576.50
  6. Step 6: Final answer
    x = 616,203.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.