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Finding the Third Proportional to 689,620.50 and 1,035,362.25

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Solution

The third proportional to 689,620.50 and 1,035,362.25 is: 1,554,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,620.50 : 1,035,362.25 = 1,035,362.25 : x
  2. Step 2: Convert to fraction form
    689,620.50/1,035,362.25 = 1,035,362.25/x
  3. Step 3: Cross multiply
    689,620.50x = 1,035,362.25 × 1,035,362.25
  4. Step 4: Simplify right side
    689,620.50x = 1,071,974,988,725.06
  5. Step 5: Solve for x
    x = 1,071,974,988,725.06/689,620.50
  6. Step 6: Final answer
    x = 1,554,441.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.