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Finding the Third Proportional to 72,557 and 106,351.50

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Solution

The third proportional to 72,557 and 106,351.50 is: 155,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557 : 106,351.50 = 106,351.50 : x
  2. Step 2: Convert to fraction form
    72,557/106,351.50 = 106,351.50/x
  3. Step 3: Cross multiply
    72,557x = 106,351.50 × 106,351.50
  4. Step 4: Simplify right side
    72,557x = 11,310,641,552.25
  5. Step 5: Solve for x
    x = 11,310,641,552.25/72,557
  6. Step 6: Final answer
    x = 155,886.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.