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Finding the Third Proportional to 889,656.75 and 1,378,726.31

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Solution

The third proportional to 889,656.75 and 1,378,726.31 is: 2,136,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,656.75 : 1,378,726.31 = 1,378,726.31 : x
  2. Step 2: Convert to fraction form
    889,656.75/1,378,726.31 = 1,378,726.31/x
  3. Step 3: Cross multiply
    889,656.75x = 1,378,726.31 × 1,378,726.31
  4. Step 4: Simplify right side
    889,656.75x = 1,900,886,244,779.85
  5. Step 5: Solve for x
    x = 1,900,886,244,779.85/889,656.75
  6. Step 6: Final answer
    x = 2,136,651.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.