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Finding the Third Proportional to 526,388 and 786,073

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Solution

The third proportional to 526,388 and 786,073 is: 1,173,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,388 : 786,073 = 786,073 : x
  2. Step 2: Convert to fraction form
    526,388/786,073 = 786,073/x
  3. Step 3: Cross multiply
    526,388x = 786,073 × 786,073
  4. Step 4: Simplify right side
    526,388x = 617,910,761,329
  5. Step 5: Solve for x
    x = 617,910,761,329/526,388
  6. Step 6: Final answer
    x = 1,173,869.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.