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Finding the Third Proportional to 946,977.75 and 1,421,560.13

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Solution

The third proportional to 946,977.75 and 1,421,560.13 is: 2,133,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,977.75 : 1,421,560.13 = 1,421,560.13 : x
  2. Step 2: Convert to fraction form
    946,977.75/1,421,560.13 = 1,421,560.13/x
  3. Step 3: Cross multiply
    946,977.75x = 1,421,560.13 × 1,421,560.13
  4. Step 4: Simplify right side
    946,977.75x = 2,020,833,188,990.02
  5. Step 5: Solve for x
    x = 2,020,833,188,990.02/946,977.75
  6. Step 6: Final answer
    x = 2,133,981.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.