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Finding the Third Proportional to 775,666.50 and 1,137,939

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Solution

The third proportional to 775,666.50 and 1,137,939 is: 1,669,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,666.50 : 1,137,939 = 1,137,939 : x
  2. Step 2: Convert to fraction form
    775,666.50/1,137,939 = 1,137,939/x
  3. Step 3: Cross multiply
    775,666.50x = 1,137,939 × 1,137,939
  4. Step 4: Simplify right side
    775,666.50x = 1,294,905,167,721
  5. Step 5: Solve for x
    x = 1,294,905,167,721/775,666.50
  6. Step 6: Final answer
    x = 1,669,409.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.