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Finding the Third Proportional to 290,811,069 and 622,482,426

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Solution

The third proportional to 290,811,069 and 622,482,426 is: 1,332,426,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,811,069 : 622,482,426 = 622,482,426 : x
  2. Step 2: Convert to fraction form
    290,811,069/622,482,426 = 622,482,426/x
  3. Step 3: Cross multiply
    290,811,069x = 622,482,426 × 622,482,426
  4. Step 4: Simplify right side
    290,811,069x = 387,484,370,678,845,504
  5. Step 5: Solve for x
    x = 387,484,370,678,845,504/290,811,069
  6. Step 6: Final answer
    x = 1,332,426,485.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.