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Finding the Third Proportional to 46,143 and 65,985

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Solution

The third proportional to 46,143 and 65,985 is: 94,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,143 : 65,985 = 65,985 : x
  2. Step 2: Convert to fraction form
    46,143/65,985 = 65,985/x
  3. Step 3: Cross multiply
    46,143x = 65,985 × 65,985
  4. Step 4: Simplify right side
    46,143x = 4,354,020,225
  5. Step 5: Solve for x
    x = 4,354,020,225/46,143
  6. Step 6: Final answer
    x = 94,359.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.