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Finding the Third Proportional to 25,155 and 39,798.75

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Solution

The third proportional to 25,155 and 39,798.75 is: 62,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155 : 39,798.75 = 39,798.75 : x
  2. Step 2: Convert to fraction form
    25,155/39,798.75 = 39,798.75/x
  3. Step 3: Cross multiply
    25,155x = 39,798.75 × 39,798.75
  4. Step 4: Simplify right side
    25,155x = 1,583,940,501.56
  5. Step 5: Solve for x
    x = 1,583,940,501.56/25,155
  6. Step 6: Final answer
    x = 62,967.22

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.