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Finding the Third Proportional to 807,720 and 1,267,148

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Solution

The third proportional to 807,720 and 1,267,148 is: 1,987,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,720 : 1,267,148 = 1,267,148 : x
  2. Step 2: Convert to fraction form
    807,720/1,267,148 = 1,267,148/x
  3. Step 3: Cross multiply
    807,720x = 1,267,148 × 1,267,148
  4. Step 4: Simplify right side
    807,720x = 1,605,664,053,904
  5. Step 5: Solve for x
    x = 1,605,664,053,904/807,720
  6. Step 6: Final answer
    x = 1,987,896.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.