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Finding the Third Proportional to 125,548.50 and 279,033

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Solution

The third proportional to 125,548.50 and 279,033 is: 620,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,548.50 : 279,033 = 279,033 : x
  2. Step 2: Convert to fraction form
    125,548.50/279,033 = 279,033/x
  3. Step 3: Cross multiply
    125,548.50x = 279,033 × 279,033
  4. Step 4: Simplify right side
    125,548.50x = 77,859,415,089
  5. Step 5: Solve for x
    x = 77,859,415,089/125,548.50
  6. Step 6: Final answer
    x = 620,154.08

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.