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Finding the Third Proportional to 626,265 and 1,395,963

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Solution

The third proportional to 626,265 and 1,395,963 is: 3,111,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,265 : 1,395,963 = 1,395,963 : x
  2. Step 2: Convert to fraction form
    626,265/1,395,963 = 1,395,963/x
  3. Step 3: Cross multiply
    626,265x = 1,395,963 × 1,395,963
  4. Step 4: Simplify right side
    626,265x = 1,948,712,697,369
  5. Step 5: Solve for x
    x = 1,948,712,697,369/626,265
  6. Step 6: Final answer
    x = 3,111,642.35

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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.