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Finding the Third Proportional to 790,230 and 1,255,329

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Solution

The third proportional to 790,230 and 1,255,329 is: 1,994,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,230 : 1,255,329 = 1,255,329 : x
  2. Step 2: Convert to fraction form
    790,230/1,255,329 = 1,255,329/x
  3. Step 3: Cross multiply
    790,230x = 1,255,329 × 1,255,329
  4. Step 4: Simplify right side
    790,230x = 1,575,850,898,241
  5. Step 5: Solve for x
    x = 1,575,850,898,241/790,230
  6. Step 6: Final answer
    x = 1,994,167.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.