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Finding the Third Proportional to 978,039 and 1,556,237.25

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Solution

The third proportional to 978,039 and 1,556,237.25 is: 2,476,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,039 : 1,556,237.25 = 1,556,237.25 : x
  2. Step 2: Convert to fraction form
    978,039/1,556,237.25 = 1,556,237.25/x
  3. Step 3: Cross multiply
    978,039x = 1,556,237.25 × 1,556,237.25
  4. Step 4: Simplify right side
    978,039x = 2,421,874,378,287.56
  5. Step 5: Solve for x
    x = 2,421,874,378,287.56/978,039
  6. Step 6: Final answer
    x = 2,476,255.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.