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Finding the Third Proportional to 3,316,424 and 5,121,228

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Solution

The third proportional to 3,316,424 and 5,121,228 is: 7,908,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,424 : 5,121,228 = 5,121,228 : x
  2. Step 2: Convert to fraction form
    3,316,424/5,121,228 = 5,121,228/x
  3. Step 3: Cross multiply
    3,316,424x = 5,121,228 × 5,121,228
  4. Step 4: Simplify right side
    3,316,424x = 26,226,976,227,984
  5. Step 5: Solve for x
    x = 26,226,976,227,984/3,316,424
  6. Step 6: Final answer
    x = 7,908,209.63

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.