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Finding the Third Proportional to 9,920,566.13 and 20,239,697.81

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Solution

The third proportional to 9,920,566.13 and 20,239,697.81 is: 41,292,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,566.13 : 20,239,697.81 = 20,239,697.81 : x
  2. Step 2: Convert to fraction form
    9,920,566.13/20,239,697.81 = 20,239,697.81/x
  3. Step 3: Cross multiply
    9,920,566.13x = 20,239,697.81 × 20,239,697.81
  4. Step 4: Simplify right side
    9,920,566.13x = 409,645,367,541,317.31
  5. Step 5: Solve for x
    x = 409,645,367,541,317.31/9,920,566.13
  6. Step 6: Final answer
    x = 41,292,539.40

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.