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Finding the Third Proportional to 132,880.50 and 287,905.50

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Solution

The third proportional to 132,880.50 and 287,905.50 is: 623,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.50 : 287,905.50 = 287,905.50 : x
  2. Step 2: Convert to fraction form
    132,880.50/287,905.50 = 287,905.50/x
  3. Step 3: Cross multiply
    132,880.50x = 287,905.50 × 287,905.50
  4. Step 4: Simplify right side
    132,880.50x = 82,889,576,930.25
  5. Step 5: Solve for x
    x = 82,889,576,930.25/132,880.50
  6. Step 6: Final answer
    x = 623,790.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.