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Finding the Third Proportional to 988,047 and 2,125,890

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Solution

The third proportional to 988,047 and 2,125,890 is: 4,574,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,047 : 2,125,890 = 2,125,890 : x
  2. Step 2: Convert to fraction form
    988,047/2,125,890 = 2,125,890/x
  3. Step 3: Cross multiply
    988,047x = 2,125,890 × 2,125,890
  4. Step 4: Simplify right side
    988,047x = 4,519,408,292,100
  5. Step 5: Solve for x
    x = 4,519,408,292,100/988,047
  6. Step 6: Final answer
    x = 4,574,082.30

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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.