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Finding the Third Proportional to 305,432,322.75 and 647,513,753.63

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Solution

The third proportional to 305,432,322.75 and 647,513,753.63 is: 1,372,723,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,432,322.75 : 647,513,753.63 = 647,513,753.63 : x
  2. Step 2: Convert to fraction form
    305,432,322.75/647,513,753.63 = 647,513,753.63/x
  3. Step 3: Cross multiply
    305,432,322.75x = 647,513,753.63 × 647,513,753.63
  4. Step 4: Simplify right side
    305,432,322.75x = 419,274,061,133,537,216
  5. Step 5: Solve for x
    x = 419,274,061,133,537,216/305,432,322.75
  6. Step 6: Final answer
    x = 1,372,723,284.03

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.