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Finding the Third Proportional to 790,224 and 1,255,320

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Solution

The third proportional to 790,224 and 1,255,320 is: 1,994,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,224 : 1,255,320 = 1,255,320 : x
  2. Step 2: Convert to fraction form
    790,224/1,255,320 = 1,255,320/x
  3. Step 3: Cross multiply
    790,224x = 1,255,320 × 1,255,320
  4. Step 4: Simplify right side
    790,224x = 1,575,828,302,400
  5. Step 5: Solve for x
    x = 1,575,828,302,400/790,224
  6. Step 6: Final answer
    x = 1,994,153.94

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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.