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Finding the Third Proportional to 306,160 and 671,504

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Solution

The third proportional to 306,160 and 671,504 is: 1,472,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,160 : 671,504 = 671,504 : x
  2. Step 2: Convert to fraction form
    306,160/671,504 = 671,504/x
  3. Step 3: Cross multiply
    306,160x = 671,504 × 671,504
  4. Step 4: Simplify right side
    306,160x = 450,917,622,016
  5. Step 5: Solve for x
    x = 450,917,622,016/306,160
  6. Step 6: Final answer
    x = 1,472,816.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.