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Finding the Third Proportional to 819,010 and 1,239,972

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Solution

The third proportional to 819,010 and 1,239,972 is: 1,877,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,010 : 1,239,972 = 1,239,972 : x
  2. Step 2: Convert to fraction form
    819,010/1,239,972 = 1,239,972/x
  3. Step 3: Cross multiply
    819,010x = 1,239,972 × 1,239,972
  4. Step 4: Simplify right side
    819,010x = 1,537,530,560,784
  5. Step 5: Solve for x
    x = 1,537,530,560,784/819,010
  6. Step 6: Final answer
    x = 1,877,303.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.