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Finding the Third Proportional to 770,644.69 and 1,654,916.63

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Solution

The third proportional to 770,644.69 and 1,654,916.63 is: 3,553,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,644.69 : 1,654,916.63 = 1,654,916.63 : x
  2. Step 2: Convert to fraction form
    770,644.69/1,654,916.63 = 1,654,916.63/x
  3. Step 3: Cross multiply
    770,644.69x = 1,654,916.63 × 1,654,916.63
  4. Step 4: Simplify right side
    770,644.69x = 2,738,749,035,701.39
  5. Step 5: Solve for x
    x = 2,738,749,035,701.39/770,644.69
  6. Step 6: Final answer
    x = 3,553,841.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.