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Finding the Third Proportional to 12,977,328 and 28,237,920

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Solution

The third proportional to 12,977,328 and 28,237,920 is: 61,444,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,328 : 28,237,920 = 28,237,920 : x
  2. Step 2: Convert to fraction form
    12,977,328/28,237,920 = 28,237,920/x
  3. Step 3: Cross multiply
    12,977,328x = 28,237,920 × 28,237,920
  4. Step 4: Simplify right side
    12,977,328x = 797,380,125,926,400
  5. Step 5: Solve for x
    x = 797,380,125,926,400/12,977,328
  6. Step 6: Final answer
    x = 61,444,091.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.