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Finding the Third Proportional to 1,684,725.12 and 2,409,176.57

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Solution

The third proportional to 1,684,725.12 and 2,409,176.57 is: 3,445,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,725.12 : 2,409,176.57 = 2,409,176.57 : x
  2. Step 2: Convert to fraction form
    1,684,725.12/2,409,176.57 = 2,409,176.57/x
  3. Step 3: Cross multiply
    1,684,725.12x = 2,409,176.57 × 2,409,176.57
  4. Step 4: Simplify right side
    1,684,725.12x = 5,804,131,728,120.77
  5. Step 5: Solve for x
    x = 5,804,131,728,120.77/1,684,725.12
  6. Step 6: Final answer
    x = 3,445,150.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.