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Finding the Third Proportional to 378,611,499 and 581,593,620

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Solution

The third proportional to 378,611,499 and 581,593,620 is: 893,399,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,611,499 : 581,593,620 = 581,593,620 : x
  2. Step 2: Convert to fraction form
    378,611,499/581,593,620 = 581,593,620/x
  3. Step 3: Cross multiply
    378,611,499x = 581,593,620 × 581,593,620
  4. Step 4: Simplify right side
    378,611,499x = 338,251,138,824,704,384
  5. Step 5: Solve for x
    x = 338,251,138,824,704,384/378,611,499
  6. Step 6: Final answer
    x = 893,399,011.17

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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.