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Finding the Third Proportional to 40,143 and 62,512.50

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Solution

The third proportional to 40,143 and 62,512.50 is: 97,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143 : 62,512.50 = 62,512.50 : x
  2. Step 2: Convert to fraction form
    40,143/62,512.50 = 62,512.50/x
  3. Step 3: Cross multiply
    40,143x = 62,512.50 × 62,512.50
  4. Step 4: Simplify right side
    40,143x = 3,907,812,656.25
  5. Step 5: Solve for x
    x = 3,907,812,656.25/40,143
  6. Step 6: Final answer
    x = 97,347.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.