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Finding the Third Proportional to 307,071 and 666,585

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Solution

The third proportional to 307,071 and 666,585 is: 1,447,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,071 : 666,585 = 666,585 : x
  2. Step 2: Convert to fraction form
    307,071/666,585 = 666,585/x
  3. Step 3: Cross multiply
    307,071x = 666,585 × 666,585
  4. Step 4: Simplify right side
    307,071x = 444,335,562,225
  5. Step 5: Solve for x
    x = 444,335,562,225/307,071
  6. Step 6: Final answer
    x = 1,447,012.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.