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Finding the Third Proportional to 12,507,153 and 18,687,084

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Solution

The third proportional to 12,507,153 and 18,687,084 is: 27,920,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,153 : 18,687,084 = 18,687,084 : x
  2. Step 2: Convert to fraction form
    12,507,153/18,687,084 = 18,687,084/x
  3. Step 3: Cross multiply
    12,507,153x = 18,687,084 × 18,687,084
  4. Step 4: Simplify right side
    12,507,153x = 349,207,108,423,056
  5. Step 5: Solve for x
    x = 349,207,108,423,056/12,507,153
  6. Step 6: Final answer
    x = 27,920,591.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.