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Finding the Third Proportional to 12,459,225 and 18,860,970

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Solution

The third proportional to 12,459,225 and 18,860,970 is: 28,552,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,225 : 18,860,970 = 18,860,970 : x
  2. Step 2: Convert to fraction form
    12,459,225/18,860,970 = 18,860,970/x
  3. Step 3: Cross multiply
    12,459,225x = 18,860,970 × 18,860,970
  4. Step 4: Simplify right side
    12,459,225x = 355,736,189,340,900
  5. Step 5: Solve for x
    x = 355,736,189,340,900/12,459,225
  6. Step 6: Final answer
    x = 28,552,031.88

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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.