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Finding the Third Proportional to 46,145 and 71,292

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Solution

The third proportional to 46,145 and 71,292 is: 110,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,145 : 71,292 = 71,292 : x
  2. Step 2: Convert to fraction form
    46,145/71,292 = 71,292/x
  3. Step 3: Cross multiply
    46,145x = 71,292 × 71,292
  4. Step 4: Simplify right side
    46,145x = 5,082,549,264
  5. Step 5: Solve for x
    x = 5,082,549,264/46,145
  6. Step 6: Final answer
    x = 110,143.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.