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Finding the Third Proportional to 178,267.50 and 270,688.50

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Solution

The third proportional to 178,267.50 and 270,688.50 is: 411,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,267.50 : 270,688.50 = 270,688.50 : x
  2. Step 2: Convert to fraction form
    178,267.50/270,688.50 = 270,688.50/x
  3. Step 3: Cross multiply
    178,267.50x = 270,688.50 × 270,688.50
  4. Step 4: Simplify right side
    178,267.50x = 73,272,264,032.25
  5. Step 5: Solve for x
    x = 73,272,264,032.25/178,267.50
  6. Step 6: Final answer
    x = 411,024.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.