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Finding the Third Proportional to 53,130 and 106,260

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Solution

The third proportional to 53,130 and 106,260 is: 212,520

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130 : 106,260 = 106,260 : x
  2. Step 2: Convert to fraction form
    53,130/106,260 = 106,260/x
  3. Step 3: Cross multiply
    53,130x = 106,260 × 106,260
  4. Step 4: Simplify right side
    53,130x = 11,291,187,600
  5. Step 5: Solve for x
    x = 11,291,187,600/53,130
  6. Step 6: Final answer
    x = 212,520

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.