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Finding the Third Proportional to 626,805 and 1,353,357

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Solution

The third proportional to 626,805 and 1,353,357 is: 2,922,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,805 : 1,353,357 = 1,353,357 : x
  2. Step 2: Convert to fraction form
    626,805/1,353,357 = 1,353,357/x
  3. Step 3: Cross multiply
    626,805x = 1,353,357 × 1,353,357
  4. Step 4: Simplify right side
    626,805x = 1,831,575,169,449
  5. Step 5: Solve for x
    x = 1,831,575,169,449/626,805
  6. Step 6: Final answer
    x = 2,922,081.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.