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Finding the Third Proportional to 306,254 and 448,995

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Solution

The third proportional to 306,254 and 448,995 is: 658,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,254 : 448,995 = 448,995 : x
  2. Step 2: Convert to fraction form
    306,254/448,995 = 448,995/x
  3. Step 3: Cross multiply
    306,254x = 448,995 × 448,995
  4. Step 4: Simplify right side
    306,254x = 201,596,510,025
  5. Step 5: Solve for x
    x = 201,596,510,025/306,254
  6. Step 6: Final answer
    x = 658,265.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.