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Finding the Third Proportional to 790,281 and 1,129,293

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Solution

The third proportional to 790,281 and 1,129,293 is: 1,613,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,281 : 1,129,293 = 1,129,293 : x
  2. Step 2: Convert to fraction form
    790,281/1,129,293 = 1,129,293/x
  3. Step 3: Cross multiply
    790,281x = 1,129,293 × 1,129,293
  4. Step 4: Simplify right side
    790,281x = 1,275,302,679,849
  5. Step 5: Solve for x
    x = 1,275,302,679,849/790,281
  6. Step 6: Final answer
    x = 1,613,733.19

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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.