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Finding the Third Proportional to 434,511 and 636,211.13

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Solution

The third proportional to 434,511 and 636,211.13 is: 931,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,511 : 636,211.13 = 636,211.13 : x
  2. Step 2: Convert to fraction form
    434,511/636,211.13 = 636,211.13/x
  3. Step 3: Cross multiply
    434,511x = 636,211.13 × 636,211.13
  4. Step 4: Simplify right side
    434,511x = 404,764,595,573.77
  5. Step 5: Solve for x
    x = 404,764,595,573.77/434,511
  6. Step 6: Final answer
    x = 931,540.50

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.