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Finding the Third Proportional to 760,198.50 and 1,203,639.75

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Solution

The third proportional to 760,198.50 and 1,203,639.75 is: 1,905,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,198.50 : 1,203,639.75 = 1,203,639.75 : x
  2. Step 2: Convert to fraction form
    760,198.50/1,203,639.75 = 1,203,639.75/x
  3. Step 3: Cross multiply
    760,198.50x = 1,203,639.75 × 1,203,639.75
  4. Step 4: Simplify right side
    760,198.50x = 1,448,748,647,780.06
  5. Step 5: Solve for x
    x = 1,448,748,647,780.06/760,198.50
  6. Step 6: Final answer
    x = 1,905,750.47

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.