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Finding the Third Proportional to 59,140 and 127,660

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Solution

The third proportional to 59,140 and 127,660 is: 275,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,140 : 127,660 = 127,660 : x
  2. Step 2: Convert to fraction form
    59,140/127,660 = 127,660/x
  3. Step 3: Cross multiply
    59,140x = 127,660 × 127,660
  4. Step 4: Simplify right side
    59,140x = 16,297,075,600
  5. Step 5: Solve for x
    x = 16,297,075,600/59,140
  6. Step 6: Final answer
    x = 275,567.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.