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Finding the Third Proportional to 2,710,308.09 and 3,990,523.22

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Solution

The third proportional to 2,710,308.09 and 3,990,523.22 is: 5,875,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,308.09 : 3,990,523.22 = 3,990,523.22 : x
  2. Step 2: Convert to fraction form
    2,710,308.09/3,990,523.22 = 3,990,523.22/x
  3. Step 3: Cross multiply
    2,710,308.09x = 3,990,523.22 × 3,990,523.22
  4. Step 4: Simplify right side
    2,710,308.09x = 15,924,275,559,382.86
  5. Step 5: Solve for x
    x = 15,924,275,559,382.86/2,710,308.09
  6. Step 6: Final answer
    x = 5,875,448.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.