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Finding the Third Proportional to 568,641,990 and 873,655,570

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Solution

The third proportional to 568,641,990 and 873,655,570 is: 1,342,275,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,641,990 : 873,655,570 = 873,655,570 : x
  2. Step 2: Convert to fraction form
    568,641,990/873,655,570 = 873,655,570/x
  3. Step 3: Cross multiply
    568,641,990x = 873,655,570 × 873,655,570
  4. Step 4: Simplify right side
    568,641,990x = 763,274,054,992,024,960
  5. Step 5: Solve for x
    x = 763,274,054,992,024,960/568,641,990
  6. Step 6: Final answer
    x = 1,342,275,224.86

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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.