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Finding the Third Proportional to 1,390,173 and 3,247,834.50

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Solution

The third proportional to 1,390,173 and 3,247,834.50 is: 7,587,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,173 : 3,247,834.50 = 3,247,834.50 : x
  2. Step 2: Convert to fraction form
    1,390,173/3,247,834.50 = 3,247,834.50/x
  3. Step 3: Cross multiply
    1,390,173x = 3,247,834.50 × 3,247,834.50
  4. Step 4: Simplify right side
    1,390,173x = 10,548,428,939,390.25
  5. Step 5: Solve for x
    x = 10,548,428,939,390.25/1,390,173
  6. Step 6: Final answer
    x = 7,587,853.41

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.