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Finding the Third Proportional to 988,123.50 and 2,126,043

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Solution

The third proportional to 988,123.50 and 2,126,043 is: 4,574,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,123.50 : 2,126,043 = 2,126,043 : x
  2. Step 2: Convert to fraction form
    988,123.50/2,126,043 = 2,126,043/x
  3. Step 3: Cross multiply
    988,123.50x = 2,126,043 × 2,126,043
  4. Step 4: Simplify right side
    988,123.50x = 4,520,058,837,849
  5. Step 5: Solve for x
    x = 4,520,058,837,849/988,123.50
  6. Step 6: Final answer
    x = 4,574,386.54

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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.