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Finding the Third Proportional to 46,940 and 63,770

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Solution

The third proportional to 46,940 and 63,770 is: 86,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940 : 63,770 = 63,770 : x
  2. Step 2: Convert to fraction form
    46,940/63,770 = 63,770/x
  3. Step 3: Cross multiply
    46,940x = 63,770 × 63,770
  4. Step 4: Simplify right side
    46,940x = 4,066,612,900
  5. Step 5: Solve for x
    x = 4,066,612,900/46,940
  6. Step 6: Final answer
    x = 86,634.28

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.