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Finding the Third Proportional to 621,206 and 1,343,968

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Solution

The third proportional to 621,206 and 1,343,968 is: 2,907,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,206 : 1,343,968 = 1,343,968 : x
  2. Step 2: Convert to fraction form
    621,206/1,343,968 = 1,343,968/x
  3. Step 3: Cross multiply
    621,206x = 1,343,968 × 1,343,968
  4. Step 4: Simplify right side
    621,206x = 1,806,249,985,024
  5. Step 5: Solve for x
    x = 1,806,249,985,024/621,206
  6. Step 6: Final answer
    x = 2,907,650.58

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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.