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Finding the Third Proportional to 18,402,000 and 27,860,880

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Solution

The third proportional to 18,402,000 and 27,860,880 is: 42,181,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,000 : 27,860,880 = 27,860,880 : x
  2. Step 2: Convert to fraction form
    18,402,000/27,860,880 = 27,860,880/x
  3. Step 3: Cross multiply
    18,402,000x = 27,860,880 × 27,860,880
  4. Step 4: Simplify right side
    18,402,000x = 776,228,634,374,400
  5. Step 5: Solve for x
    x = 776,228,634,374,400/18,402,000
  6. Step 6: Final answer
    x = 42,181,753.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.