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Finding the Third Proportional to 84,678.75 and 127,024.88

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Solution

The third proportional to 84,678.75 and 127,024.88 is: 190,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,678.75 : 127,024.88 = 127,024.88 : x
  2. Step 2: Convert to fraction form
    84,678.75/127,024.88 = 127,024.88/x
  3. Step 3: Cross multiply
    84,678.75x = 127,024.88 × 127,024.88
  4. Step 4: Simplify right side
    84,678.75x = 16,135,318,868.77
  5. Step 5: Solve for x
    x = 16,135,318,868.77/84,678.75
  6. Step 6: Final answer
    x = 190,547.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.