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Finding the Third Proportional to 62,590.50 and 139,173.75

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Solution

The third proportional to 62,590.50 and 139,173.75 is: 309,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,590.50 : 139,173.75 = 139,173.75 : x
  2. Step 2: Convert to fraction form
    62,590.50/139,173.75 = 139,173.75/x
  3. Step 3: Cross multiply
    62,590.50x = 139,173.75 × 139,173.75
  4. Step 4: Simplify right side
    62,590.50x = 19,369,332,689.06
  5. Step 5: Solve for x
    x = 19,369,332,689.06/62,590.50
  6. Step 6: Final answer
    x = 309,461.22

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.