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Finding the Third Proportional to 1,429,710.75 and 3,142,800

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Solution

The third proportional to 1,429,710.75 and 3,142,800 is: 6,908,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,710.75 : 3,142,800 = 3,142,800 : x
  2. Step 2: Convert to fraction form
    1,429,710.75/3,142,800 = 3,142,800/x
  3. Step 3: Cross multiply
    1,429,710.75x = 3,142,800 × 3,142,800
  4. Step 4: Simplify right side
    1,429,710.75x = 9,877,191,840,000
  5. Step 5: Solve for x
    x = 9,877,191,840,000/1,429,710.75
  6. Step 6: Final answer
    x = 6,908,524.57

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