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Finding the Third Proportional to 308,077,587 and 685,036,926

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Solution

The third proportional to 308,077,587 and 685,036,926 is: 1,523,238,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,077,587 : 685,036,926 = 685,036,926 : x
  2. Step 2: Convert to fraction form
    308,077,587/685,036,926 = 685,036,926/x
  3. Step 3: Cross multiply
    308,077,587x = 685,036,926 × 685,036,926
  4. Step 4: Simplify right side
    308,077,587x = 469,275,589,983,529,472
  5. Step 5: Solve for x
    x = 469,275,589,983,529,472/308,077,587
  6. Step 6: Final answer
    x = 1,523,238,332.76

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.