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Finding the Third Proportional to 453,631.50 and 988,911

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Solution

The third proportional to 453,631.50 and 988,911 is: 2,155,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,631.50 : 988,911 = 988,911 : x
  2. Step 2: Convert to fraction form
    453,631.50/988,911 = 988,911/x
  3. Step 3: Cross multiply
    453,631.50x = 988,911 × 988,911
  4. Step 4: Simplify right side
    453,631.50x = 977,944,965,921
  5. Step 5: Solve for x
    x = 977,944,965,921/453,631.50
  6. Step 6: Final answer
    x = 2,155,813.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.