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Finding the Third Proportional to 689,359.50 and 1,034,768.25

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Solution

The third proportional to 689,359.50 and 1,034,768.25 is: 1,553,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,359.50 : 1,034,768.25 = 1,034,768.25 : x
  2. Step 2: Convert to fraction form
    689,359.50/1,034,768.25 = 1,034,768.25/x
  3. Step 3: Cross multiply
    689,359.50x = 1,034,768.25 × 1,034,768.25
  4. Step 4: Simplify right side
    689,359.50x = 1,070,745,331,208.06
  5. Step 5: Solve for x
    x = 1,070,745,331,208.06/689,359.50
  6. Step 6: Final answer
    x = 1,553,246.65

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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.