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Finding the Third Proportional to 763,122 and 1,657,458

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Solution

The third proportional to 763,122 and 1,657,458 is: 3,599,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,122 : 1,657,458 = 1,657,458 : x
  2. Step 2: Convert to fraction form
    763,122/1,657,458 = 1,657,458/x
  3. Step 3: Cross multiply
    763,122x = 1,657,458 × 1,657,458
  4. Step 4: Simplify right side
    763,122x = 2,747,167,021,764
  5. Step 5: Solve for x
    x = 2,747,167,021,764/763,122
  6. Step 6: Final answer
    x = 3,599,905.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.