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Finding the Third Proportional to 917,187 and 1,899,172.50

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Solution

The third proportional to 917,187 and 1,899,172.50 is: 3,932,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,187 : 1,899,172.50 = 1,899,172.50 : x
  2. Step 2: Convert to fraction form
    917,187/1,899,172.50 = 1,899,172.50/x
  3. Step 3: Cross multiply
    917,187x = 1,899,172.50 × 1,899,172.50
  4. Step 4: Simplify right side
    917,187x = 3,606,856,184,756.25
  5. Step 5: Solve for x
    x = 3,606,856,184,756.25/917,187
  6. Step 6: Final answer
    x = 3,932,519.96

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.