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Finding the Third Proportional to 66,703.50 and 96,916.50

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Solution

The third proportional to 66,703.50 and 96,916.50 is: 140,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.50 : 96,916.50 = 96,916.50 : x
  2. Step 2: Convert to fraction form
    66,703.50/96,916.50 = 96,916.50/x
  3. Step 3: Cross multiply
    66,703.50x = 96,916.50 × 96,916.50
  4. Step 4: Simplify right side
    66,703.50x = 9,392,807,972.25
  5. Step 5: Solve for x
    x = 9,392,807,972.25/66,703.50
  6. Step 6: Final answer
    x = 140,814.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.