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Finding the Third Proportional to 21,370 and 46,763

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Solution

The third proportional to 21,370 and 46,763 is: 102,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370 : 46,763 = 46,763 : x
  2. Step 2: Convert to fraction form
    21,370/46,763 = 46,763/x
  3. Step 3: Cross multiply
    21,370x = 46,763 × 46,763
  4. Step 4: Simplify right side
    21,370x = 2,186,778,169
  5. Step 5: Solve for x
    x = 2,186,778,169/21,370
  6. Step 6: Final answer
    x = 102,329.35

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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.