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Finding the Third Proportional to 58,804 and 129,272

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Solution

The third proportional to 58,804 and 129,272 is: 284,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,804 : 129,272 = 129,272 : x
  2. Step 2: Convert to fraction form
    58,804/129,272 = 129,272/x
  3. Step 3: Cross multiply
    58,804x = 129,272 × 129,272
  4. Step 4: Simplify right side
    58,804x = 16,711,249,984
  5. Step 5: Solve for x
    x = 16,711,249,984/58,804
  6. Step 6: Final answer
    x = 284,185.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.