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Finding the Third Proportional to 104,362 and 139,813

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Solution

The third proportional to 104,362 and 139,813 is: 187,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,362 : 139,813 = 139,813 : x
  2. Step 2: Convert to fraction form
    104,362/139,813 = 139,813/x
  3. Step 3: Cross multiply
    104,362x = 139,813 × 139,813
  4. Step 4: Simplify right side
    104,362x = 19,547,674,969
  5. Step 5: Solve for x
    x = 19,547,674,969/104,362
  6. Step 6: Final answer
    x = 187,306.44

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.