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Finding the Third Proportional to 790,275 and 1,129,286

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Solution

The third proportional to 790,275 and 1,129,286 is: 1,613,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,275 : 1,129,286 = 1,129,286 : x
  2. Step 2: Convert to fraction form
    790,275/1,129,286 = 1,129,286/x
  3. Step 3: Cross multiply
    790,275x = 1,129,286 × 1,129,286
  4. Step 4: Simplify right side
    790,275x = 1,275,286,869,796
  5. Step 5: Solve for x
    x = 1,275,286,869,796/790,275
  6. Step 6: Final answer
    x = 1,613,725.44

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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.