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Finding the Third Proportional to 85,590 and 125,215.50

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Solution

The third proportional to 85,590 and 125,215.50 is: 183,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590 : 125,215.50 = 125,215.50 : x
  2. Step 2: Convert to fraction form
    85,590/125,215.50 = 125,215.50/x
  3. Step 3: Cross multiply
    85,590x = 125,215.50 × 125,215.50
  4. Step 4: Simplify right side
    85,590x = 15,678,921,440.25
  5. Step 5: Solve for x
    x = 15,678,921,440.25/85,590
  6. Step 6: Final answer
    x = 183,186.37

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.