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Finding the Third Proportional to 1,331,653 and 2,059,627.50

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Solution

The third proportional to 1,331,653 and 2,059,627.50 is: 3,185,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,653 : 2,059,627.50 = 2,059,627.50 : x
  2. Step 2: Convert to fraction form
    1,331,653/2,059,627.50 = 2,059,627.50/x
  3. Step 3: Cross multiply
    1,331,653x = 2,059,627.50 × 2,059,627.50
  4. Step 4: Simplify right side
    1,331,653x = 4,242,065,438,756.25
  5. Step 5: Solve for x
    x = 4,242,065,438,756.25/1,331,653
  6. Step 6: Final answer
    x = 3,185,563.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.