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Finding the Third Proportional to 626,277 and 1,395,987

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Solution

The third proportional to 626,277 and 1,395,987 is: 3,111,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,277 : 1,395,987 = 1,395,987 : x
  2. Step 2: Convert to fraction form
    626,277/1,395,987 = 1,395,987/x
  3. Step 3: Cross multiply
    626,277x = 1,395,987 × 1,395,987
  4. Step 4: Simplify right side
    626,277x = 1,948,779,704,169
  5. Step 5: Solve for x
    x = 1,948,779,704,169/626,277
  6. Step 6: Final answer
    x = 3,111,689.72

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.