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Finding the Third Proportional to 155,533.50 and 240,172.50

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Solution

The third proportional to 155,533.50 and 240,172.50 is: 370,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,533.50 : 240,172.50 = 240,172.50 : x
  2. Step 2: Convert to fraction form
    155,533.50/240,172.50 = 240,172.50/x
  3. Step 3: Cross multiply
    155,533.50x = 240,172.50 × 240,172.50
  4. Step 4: Simplify right side
    155,533.50x = 57,682,829,756.25
  5. Step 5: Solve for x
    x = 57,682,829,756.25/155,533.50
  6. Step 6: Final answer
    x = 370,870.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.