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Finding the Third Proportional to 1,672,816.50 and 3,561,417

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Solution

The third proportional to 1,672,816.50 and 3,561,417 is: 7,582,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,816.50 : 3,561,417 = 3,561,417 : x
  2. Step 2: Convert to fraction form
    1,672,816.50/3,561,417 = 3,561,417/x
  3. Step 3: Cross multiply
    1,672,816.50x = 3,561,417 × 3,561,417
  4. Step 4: Simplify right side
    1,672,816.50x = 12,683,691,047,889
  5. Step 5: Solve for x
    x = 12,683,691,047,889/1,672,816.50
  6. Step 6: Final answer
    x = 7,582,236.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.