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Finding the Third Proportional to 608,805 and 1,315,107

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Solution

The third proportional to 608,805 and 1,315,107 is: 2,840,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,805 : 1,315,107 = 1,315,107 : x
  2. Step 2: Convert to fraction form
    608,805/1,315,107 = 1,315,107/x
  3. Step 3: Cross multiply
    608,805x = 1,315,107 × 1,315,107
  4. Step 4: Simplify right side
    608,805x = 1,729,506,421,449
  5. Step 5: Solve for x
    x = 1,729,506,421,449/608,805
  6. Step 6: Final answer
    x = 2,840,821.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.