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Finding the Third Proportional to 873,069,546 and 1,860,432,138

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Solution

The third proportional to 873,069,546 and 1,860,432,138 is: 3,964,412,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,069,546 : 1,860,432,138 = 1,860,432,138 : x
  2. Step 2: Convert to fraction form
    873,069,546/1,860,432,138 = 1,860,432,138/x
  3. Step 3: Cross multiply
    873,069,546x = 1,860,432,138 × 1,860,432,138
  4. Step 4: Simplify right side
    873,069,546x = 3,461,207,740,103,250,944
  5. Step 5: Solve for x
    x = 3,461,207,740,103,250,944/873,069,546
  6. Step 6: Final answer
    x = 3,964,412,406.73

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.