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Finding the Third Proportional to 625,271 and 1,272,640

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Solution

The third proportional to 625,271 and 1,272,640 is: 2,590,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,271 : 1,272,640 = 1,272,640 : x
  2. Step 2: Convert to fraction form
    625,271/1,272,640 = 1,272,640/x
  3. Step 3: Cross multiply
    625,271x = 1,272,640 × 1,272,640
  4. Step 4: Simplify right side
    625,271x = 1,619,612,569,600
  5. Step 5: Solve for x
    x = 1,619,612,569,600/625,271
  6. Step 6: Final answer
    x = 2,590,256.98

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.