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Finding the Third Proportional to 75,957 and 117,916.50

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Solution

The third proportional to 75,957 and 117,916.50 is: 183,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,957 : 117,916.50 = 117,916.50 : x
  2. Step 2: Convert to fraction form
    75,957/117,916.50 = 117,916.50/x
  3. Step 3: Cross multiply
    75,957x = 117,916.50 × 117,916.50
  4. Step 4: Simplify right side
    75,957x = 13,904,300,972.25
  5. Step 5: Solve for x
    x = 13,904,300,972.25/75,957
  6. Step 6: Final answer
    x = 183,054.90

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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.