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Finding the Third Proportional to 131,036.88 and 286,608.88

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Solution

The third proportional to 131,036.88 and 286,608.88 is: 626,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,036.88 : 286,608.88 = 286,608.88 : x
  2. Step 2: Convert to fraction form
    131,036.88/286,608.88 = 286,608.88/x
  3. Step 3: Cross multiply
    131,036.88x = 286,608.88 × 286,608.88
  4. Step 4: Simplify right side
    131,036.88x = 82,144,647,228.77
  5. Step 5: Solve for x
    x = 82,144,647,228.77/131,036.88
  6. Step 6: Final answer
    x = 626,881.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.