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Finding the Third Proportional to 664,461 and 1,030,863

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Solution

The third proportional to 664,461 and 1,030,863 is: 1,599,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,461 : 1,030,863 = 1,030,863 : x
  2. Step 2: Convert to fraction form
    664,461/1,030,863 = 1,030,863/x
  3. Step 3: Cross multiply
    664,461x = 1,030,863 × 1,030,863
  4. Step 4: Simplify right side
    664,461x = 1,062,678,524,769
  5. Step 5: Solve for x
    x = 1,062,678,524,769/664,461
  6. Step 6: Final answer
    x = 1,599,309.10

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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.