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Finding the Third Proportional to 6,388,416 and 13,932,982.13

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Solution

The third proportional to 6,388,416 and 13,932,982.13 is: 30,387,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,416 : 13,932,982.13 = 13,932,982.13 : x
  2. Step 2: Convert to fraction form
    6,388,416/13,932,982.13 = 13,932,982.13/x
  3. Step 3: Cross multiply
    6,388,416x = 13,932,982.13 × 13,932,982.13
  4. Step 4: Simplify right side
    6,388,416x = 194,127,990,895,569.50
  5. Step 5: Solve for x
    x = 194,127,990,895,569.50/6,388,416
  6. Step 6: Final answer
    x = 30,387,499.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.