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Finding the Third Proportional to 155,428.50 and 332,908.50

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Solution

The third proportional to 155,428.50 and 332,908.50 is: 713,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.50 : 332,908.50 = 332,908.50 : x
  2. Step 2: Convert to fraction form
    155,428.50/332,908.50 = 332,908.50/x
  3. Step 3: Cross multiply
    155,428.50x = 332,908.50 × 332,908.50
  4. Step 4: Simplify right side
    155,428.50x = 110,828,069,372.25
  5. Step 5: Solve for x
    x = 110,828,069,372.25/155,428.50
  6. Step 6: Final answer
    x = 713,048.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.