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Finding the Third Proportional to 656,475 and 1,424,989

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Solution

The third proportional to 656,475 and 1,424,989 is: 3,093,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,475 : 1,424,989 = 1,424,989 : x
  2. Step 2: Convert to fraction form
    656,475/1,424,989 = 1,424,989/x
  3. Step 3: Cross multiply
    656,475x = 1,424,989 × 1,424,989
  4. Step 4: Simplify right side
    656,475x = 2,030,593,650,121
  5. Step 5: Solve for x
    x = 2,030,593,650,121/656,475
  6. Step 6: Final answer
    x = 3,093,177.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.