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Finding the Third Proportional to 618,172 and 1,302,763

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Solution

The third proportional to 618,172 and 1,302,763 is: 2,745,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,172 : 1,302,763 = 1,302,763 : x
  2. Step 2: Convert to fraction form
    618,172/1,302,763 = 1,302,763/x
  3. Step 3: Cross multiply
    618,172x = 1,302,763 × 1,302,763
  4. Step 4: Simplify right side
    618,172x = 1,697,191,434,169
  5. Step 5: Solve for x
    x = 1,697,191,434,169/618,172
  6. Step 6: Final answer
    x = 2,745,500.34

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.