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Finding the Third Proportional to 855,351 and 1,988,905.50

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Solution

The third proportional to 855,351 and 1,988,905.50 is: 4,624,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,351 : 1,988,905.50 = 1,988,905.50 : x
  2. Step 2: Convert to fraction form
    855,351/1,988,905.50 = 1,988,905.50/x
  3. Step 3: Cross multiply
    855,351x = 1,988,905.50 × 1,988,905.50
  4. Step 4: Simplify right side
    855,351x = 3,955,745,087,930.25
  5. Step 5: Solve for x
    x = 3,955,745,087,930.25/855,351
  6. Step 6: Final answer
    x = 4,624,703.88

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.