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Finding the Third Proportional to 507,817.50 and 771,699

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Solution

The third proportional to 507,817.50 and 771,699 is: 1,172,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,817.50 : 771,699 = 771,699 : x
  2. Step 2: Convert to fraction form
    507,817.50/771,699 = 771,699/x
  3. Step 3: Cross multiply
    507,817.50x = 771,699 × 771,699
  4. Step 4: Simplify right side
    507,817.50x = 595,519,346,601
  5. Step 5: Solve for x
    x = 595,519,346,601/507,817.50
  6. Step 6: Final answer
    x = 1,172,703.47

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.