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Finding the Third Proportional to 916,816.50 and 2,016,387

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Solution

The third proportional to 916,816.50 and 2,016,387 is: 4,434,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,816.50 : 2,016,387 = 2,016,387 : x
  2. Step 2: Convert to fraction form
    916,816.50/2,016,387 = 2,016,387/x
  3. Step 3: Cross multiply
    916,816.50x = 2,016,387 × 2,016,387
  4. Step 4: Simplify right side
    916,816.50x = 4,065,816,533,769
  5. Step 5: Solve for x
    x = 4,065,816,533,769/916,816.50
  6. Step 6: Final answer
    x = 4,434,711.34

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.