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Finding the Third Proportional to 45,712 and 69,056

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Solution

The third proportional to 45,712 and 69,056 is: 104,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712 : 69,056 = 69,056 : x
  2. Step 2: Convert to fraction form
    45,712/69,056 = 69,056/x
  3. Step 3: Cross multiply
    45,712x = 69,056 × 69,056
  4. Step 4: Simplify right side
    45,712x = 4,768,731,136
  5. Step 5: Solve for x
    x = 4,768,731,136/45,712
  6. Step 6: Final answer
    x = 104,321.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.