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Finding the Third Proportional to 628,130 and 1,373,602

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Solution

The third proportional to 628,130 and 1,373,602 is: 3,003,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,130 : 1,373,602 = 1,373,602 : x
  2. Step 2: Convert to fraction form
    628,130/1,373,602 = 1,373,602/x
  3. Step 3: Cross multiply
    628,130x = 1,373,602 × 1,373,602
  4. Step 4: Simplify right side
    628,130x = 1,886,782,454,404
  5. Step 5: Solve for x
    x = 1,886,782,454,404/628,130
  6. Step 6: Final answer
    x = 3,003,808.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.