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Finding the Third Proportional to 1,271,703.38 and 1,907,575.31

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Solution

The third proportional to 1,271,703.38 and 1,907,575.31 is: 2,861,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,703.38 : 1,907,575.31 = 1,907,575.31 : x
  2. Step 2: Convert to fraction form
    1,271,703.38/1,907,575.31 = 1,907,575.31/x
  3. Step 3: Cross multiply
    1,271,703.38x = 1,907,575.31 × 1,907,575.31
  4. Step 4: Simplify right side
    1,271,703.38x = 3,638,843,572,859.47
  5. Step 5: Solve for x
    x = 3,638,843,572,859.47/1,271,703.38
  6. Step 6: Final answer
    x = 2,861,393.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.