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Finding the Third Proportional to 1,558,790 and 3,349,645

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Solution

The third proportional to 1,558,790 and 3,349,645 is: 7,197,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,790 : 3,349,645 = 3,349,645 : x
  2. Step 2: Convert to fraction form
    1,558,790/3,349,645 = 3,349,645/x
  3. Step 3: Cross multiply
    1,558,790x = 3,349,645 × 3,349,645
  4. Step 4: Simplify right side
    1,558,790x = 11,220,121,626,025
  5. Step 5: Solve for x
    x = 11,220,121,626,025/1,558,790
  6. Step 6: Final answer
    x = 7,197,968.70

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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.