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Finding the Third Proportional to 62,964 and 138,348

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Solution

The third proportional to 62,964 and 138,348 is: 303,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964 : 138,348 = 138,348 : x
  2. Step 2: Convert to fraction form
    62,964/138,348 = 138,348/x
  3. Step 3: Cross multiply
    62,964x = 138,348 × 138,348
  4. Step 4: Simplify right side
    62,964x = 19,140,169,104
  5. Step 5: Solve for x
    x = 19,140,169,104/62,964
  6. Step 6: Final answer
    x = 303,985.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.