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Finding the Third Proportional to 137,497.50 and 288,832.50

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Solution

The third proportional to 137,497.50 and 288,832.50 is: 606,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,497.50 : 288,832.50 = 288,832.50 : x
  2. Step 2: Convert to fraction form
    137,497.50/288,832.50 = 288,832.50/x
  3. Step 3: Cross multiply
    137,497.50x = 288,832.50 × 288,832.50
  4. Step 4: Simplify right side
    137,497.50x = 83,424,213,056.25
  5. Step 5: Solve for x
    x = 83,424,213,056.25/137,497.50
  6. Step 6: Final answer
    x = 606,732.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.