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Finding the Third Proportional to 808,830 and 1,237,788

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Solution

The third proportional to 808,830 and 1,237,788 is: 1,894,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,830 : 1,237,788 = 1,237,788 : x
  2. Step 2: Convert to fraction form
    808,830/1,237,788 = 1,237,788/x
  3. Step 3: Cross multiply
    808,830x = 1,237,788 × 1,237,788
  4. Step 4: Simplify right side
    808,830x = 1,532,119,132,944
  5. Step 5: Solve for x
    x = 1,532,119,132,944/808,830
  6. Step 6: Final answer
    x = 1,894,241.23

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.