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Finding the Third Proportional to 763,560 and 1,645,137

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Solution

The third proportional to 763,560 and 1,645,137 is: 3,544,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,560 : 1,645,137 = 1,645,137 : x
  2. Step 2: Convert to fraction form
    763,560/1,645,137 = 1,645,137/x
  3. Step 3: Cross multiply
    763,560x = 1,645,137 × 1,645,137
  4. Step 4: Simplify right side
    763,560x = 2,706,475,748,769
  5. Step 5: Solve for x
    x = 2,706,475,748,769/763,560
  6. Step 6: Final answer
    x = 3,544,548.89

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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.