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Finding the Third Proportional to 879,180 and 1,370,132

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Solution

The third proportional to 879,180 and 1,370,132 is: 2,135,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,180 : 1,370,132 = 1,370,132 : x
  2. Step 2: Convert to fraction form
    879,180/1,370,132 = 1,370,132/x
  3. Step 3: Cross multiply
    879,180x = 1,370,132 × 1,370,132
  4. Step 4: Simplify right side
    879,180x = 1,877,261,697,424
  5. Step 5: Solve for x
    x = 1,877,261,697,424/879,180
  6. Step 6: Final answer
    x = 2,135,241.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.