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Finding the Third Proportional to 281,248.88 and 435,603.38

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Solution

The third proportional to 281,248.88 and 435,603.38 is: 674,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,248.88 : 435,603.38 = 435,603.38 : x
  2. Step 2: Convert to fraction form
    281,248.88/435,603.38 = 435,603.38/x
  3. Step 3: Cross multiply
    281,248.88x = 435,603.38 × 435,603.38
  4. Step 4: Simplify right side
    281,248.88x = 189,750,300,311.39
  5. Step 5: Solve for x
    x = 189,750,300,311.39/281,248.88
  6. Step 6: Final answer
    x = 674,670.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.