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Finding the Third Proportional to 3,634,130,873 and 7,888,490,818

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Solution

The third proportional to 3,634,130,873 and 7,888,490,818 is: 17,123,292,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,130,873 : 7,888,490,818 = 7,888,490,818 : x
  2. Step 2: Convert to fraction form
    3,634,130,873/7,888,490,818 = 7,888,490,818/x
  3. Step 3: Cross multiply
    3,634,130,873x = 7,888,490,818 × 7,888,490,818
  4. Step 4: Simplify right side
    3,634,130,873x = 62,228,287,385,670,311,936
  5. Step 5: Solve for x
    x = 62,228,287,385,670,311,936/3,634,130,873
  6. Step 6: Final answer
    x = 17,123,292,902.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.