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Finding the Third Proportional to 14,453,280 and 21,137,112

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Solution

The third proportional to 14,453,280 and 21,137,112 is: 30,911,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453,280 : 21,137,112 = 21,137,112 : x
  2. Step 2: Convert to fraction form
    14,453,280/21,137,112 = 21,137,112/x
  3. Step 3: Cross multiply
    14,453,280x = 21,137,112 × 21,137,112
  4. Step 4: Simplify right side
    14,453,280x = 446,777,503,700,544
  5. Step 5: Solve for x
    x = 446,777,503,700,544/14,453,280
  6. Step 6: Final answer
    x = 30,911,841.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.