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Finding the Third Proportional to 711,200 and 1,555,176

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Solution

The third proportional to 711,200 and 1,555,176 is: 3,400,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,200 : 1,555,176 = 1,555,176 : x
  2. Step 2: Convert to fraction form
    711,200/1,555,176 = 1,555,176/x
  3. Step 3: Cross multiply
    711,200x = 1,555,176 × 1,555,176
  4. Step 4: Simplify right side
    711,200x = 2,418,572,390,976
  5. Step 5: Solve for x
    x = 2,418,572,390,976/711,200
  6. Step 6: Final answer
    x = 3,400,692.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.