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Finding the Third Proportional to 4,474,681,445 and 6,221,686,876

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Solution

The third proportional to 4,474,681,445 and 6,221,686,876 is: 8,650,758,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474,681,445 : 6,221,686,876 = 6,221,686,876 : x
  2. Step 2: Convert to fraction form
    4,474,681,445/6,221,686,876 = 6,221,686,876/x
  3. Step 3: Cross multiply
    4,474,681,445x = 6,221,686,876 × 6,221,686,876
  4. Step 4: Simplify right side
    4,474,681,445x = 38,709,387,582,990,639,104
  5. Step 5: Solve for x
    x = 38,709,387,582,990,639,104/4,474,681,445
  6. Step 6: Final answer
    x = 8,650,758,284.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.