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Finding the Third Proportional to 103,810 and 147,937

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Solution

The third proportional to 103,810 and 147,937 is: 210,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,810 : 147,937 = 147,937 : x
  2. Step 2: Convert to fraction form
    103,810/147,937 = 147,937/x
  3. Step 3: Cross multiply
    103,810x = 147,937 × 147,937
  4. Step 4: Simplify right side
    103,810x = 21,885,355,969
  5. Step 5: Solve for x
    x = 21,885,355,969/103,810
  6. Step 6: Final answer
    x = 210,821.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.