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Finding the Third Proportional to 859,438.50 and 1,871,805

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Solution

The third proportional to 859,438.50 and 1,871,805 is: 4,076,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,438.50 : 1,871,805 = 1,871,805 : x
  2. Step 2: Convert to fraction form
    859,438.50/1,871,805 = 1,871,805/x
  3. Step 3: Cross multiply
    859,438.50x = 1,871,805 × 1,871,805
  4. Step 4: Simplify right side
    859,438.50x = 3,503,653,958,025
  5. Step 5: Solve for x
    x = 3,503,653,958,025/859,438.50
  6. Step 6: Final answer
    x = 4,076,677.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.