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Finding the Third Proportional to 5,739,786 and 8,700,780.38

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Solution

The third proportional to 5,739,786 and 8,700,780.38 is: 13,189,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,786 : 8,700,780.38 = 8,700,780.38 : x
  2. Step 2: Convert to fraction form
    5,739,786/8,700,780.38 = 8,700,780.38/x
  3. Step 3: Cross multiply
    5,739,786x = 8,700,780.38 × 8,700,780.38
  4. Step 4: Simplify right side
    5,739,786x = 75,703,579,133,985.14
  5. Step 5: Solve for x
    x = 75,703,579,133,985.14/5,739,786
  6. Step 6: Final answer
    x = 13,189,268.58

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.