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Finding the Third Proportional to 46,444 and 76,840

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Solution

The third proportional to 46,444 and 76,840 is: 127,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,444 : 76,840 = 76,840 : x
  2. Step 2: Convert to fraction form
    46,444/76,840 = 76,840/x
  3. Step 3: Cross multiply
    46,444x = 76,840 × 76,840
  4. Step 4: Simplify right side
    46,444x = 5,904,385,600
  5. Step 5: Solve for x
    x = 5,904,385,600/46,444
  6. Step 6: Final answer
    x = 127,129.14

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.