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Finding the Third Proportional to 961,515 and 1,392,664.50

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Solution

The third proportional to 961,515 and 1,392,664.50 is: 2,017,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,515 : 1,392,664.50 = 1,392,664.50 : x
  2. Step 2: Convert to fraction form
    961,515/1,392,664.50 = 1,392,664.50/x
  3. Step 3: Cross multiply
    961,515x = 1,392,664.50 × 1,392,664.50
  4. Step 4: Simplify right side
    961,515x = 1,939,514,409,560.25
  5. Step 5: Solve for x
    x = 1,939,514,409,560.25/961,515
  6. Step 6: Final answer
    x = 2,017,144.20

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.