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Finding the Third Proportional to 69,700.50 and 153,904.50

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Solution

The third proportional to 69,700.50 and 153,904.50 is: 339,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.50 : 153,904.50 = 153,904.50 : x
  2. Step 2: Convert to fraction form
    69,700.50/153,904.50 = 153,904.50/x
  3. Step 3: Cross multiply
    69,700.50x = 153,904.50 × 153,904.50
  4. Step 4: Simplify right side
    69,700.50x = 23,686,595,120.25
  5. Step 5: Solve for x
    x = 23,686,595,120.25/69,700.50
  6. Step 6: Final answer
    x = 339,833.93

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.