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Finding the Third Proportional to 1,960,769 and 4,221,877

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Solution

The third proportional to 1,960,769 and 4,221,877 is: 9,090,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,769 : 4,221,877 = 4,221,877 : x
  2. Step 2: Convert to fraction form
    1,960,769/4,221,877 = 4,221,877/x
  3. Step 3: Cross multiply
    1,960,769x = 4,221,877 × 4,221,877
  4. Step 4: Simplify right side
    1,960,769x = 17,824,245,403,129
  5. Step 5: Solve for x
    x = 17,824,245,403,129/1,960,769
  6. Step 6: Final answer
    x = 9,090,436.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.