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Finding the Third Proportional to 788,640 and 1,235,529

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Solution

The third proportional to 788,640 and 1,235,529 is: 1,935,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,640 : 1,235,529 = 1,235,529 : x
  2. Step 2: Convert to fraction form
    788,640/1,235,529 = 1,235,529/x
  3. Step 3: Cross multiply
    788,640x = 1,235,529 × 1,235,529
  4. Step 4: Simplify right side
    788,640x = 1,526,531,909,841
  5. Step 5: Solve for x
    x = 1,526,531,909,841/788,640
  6. Step 6: Final answer
    x = 1,935,651.13

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.