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Finding the Third Proportional to 718,104 and 1,115,076

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Solution

The third proportional to 718,104 and 1,115,076 is: 1,731,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,104 : 1,115,076 = 1,115,076 : x
  2. Step 2: Convert to fraction form
    718,104/1,115,076 = 1,115,076/x
  3. Step 3: Cross multiply
    718,104x = 1,115,076 × 1,115,076
  4. Step 4: Simplify right side
    718,104x = 1,243,394,485,776
  5. Step 5: Solve for x
    x = 1,243,394,485,776/718,104
  6. Step 6: Final answer
    x = 1,731,496.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.