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Finding the Third Proportional to 841,434.75 and 1,811,173.50

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Solution

The third proportional to 841,434.75 and 1,811,173.50 is: 3,898,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,434.75 : 1,811,173.50 = 1,811,173.50 : x
  2. Step 2: Convert to fraction form
    841,434.75/1,811,173.50 = 1,811,173.50/x
  3. Step 3: Cross multiply
    841,434.75x = 1,811,173.50 × 1,811,173.50
  4. Step 4: Simplify right side
    841,434.75x = 3,280,349,447,102.25
  5. Step 5: Solve for x
    x = 3,280,349,447,102.25/841,434.75
  6. Step 6: Final answer
    x = 3,898,519.10

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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.