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Finding the Third Proportional to 602,640 and 1,297,530

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Solution

The third proportional to 602,640 and 1,297,530 is: 2,793,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,640 : 1,297,530 = 1,297,530 : x
  2. Step 2: Convert to fraction form
    602,640/1,297,530 = 1,297,530/x
  3. Step 3: Cross multiply
    602,640x = 1,297,530 × 1,297,530
  4. Step 4: Simplify right side
    602,640x = 1,683,584,100,900
  5. Step 5: Solve for x
    x = 1,683,584,100,900/602,640
  6. Step 6: Final answer
    x = 2,793,681.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.