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Finding the Third Proportional to 28,345 and 62,072

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Solution

The third proportional to 28,345 and 62,072 is: 135,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345 : 62,072 = 62,072 : x
  2. Step 2: Convert to fraction form
    28,345/62,072 = 62,072/x
  3. Step 3: Cross multiply
    28,345x = 62,072 × 62,072
  4. Step 4: Simplify right side
    28,345x = 3,852,933,184
  5. Step 5: Solve for x
    x = 3,852,933,184/28,345
  6. Step 6: Final answer
    x = 135,929.91

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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.