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Finding the Third Proportional to 691,276 and 1,437,733

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Solution

The third proportional to 691,276 and 1,437,733 is: 2,990,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,276 : 1,437,733 = 1,437,733 : x
  2. Step 2: Convert to fraction form
    691,276/1,437,733 = 1,437,733/x
  3. Step 3: Cross multiply
    691,276x = 1,437,733 × 1,437,733
  4. Step 4: Simplify right side
    691,276x = 2,067,076,179,289
  5. Step 5: Solve for x
    x = 2,067,076,179,289/691,276
  6. Step 6: Final answer
    x = 2,990,232.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.