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Finding the Third Proportional to 43,254 and 66,916.13

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Solution

The third proportional to 43,254 and 66,916.13 is: 103,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,254 : 66,916.13 = 66,916.13 : x
  2. Step 2: Convert to fraction form
    43,254/66,916.13 = 66,916.13/x
  3. Step 3: Cross multiply
    43,254x = 66,916.13 × 66,916.13
  4. Step 4: Simplify right side
    43,254x = 4,477,767,785.02
  5. Step 5: Solve for x
    x = 4,477,767,785.02/43,254
  6. Step 6: Final answer
    x = 103,522.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.