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Finding the Third Proportional to 8,977,800 and 13,929,840

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Solution

The third proportional to 8,977,800 and 13,929,840 is: 21,613,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,800 : 13,929,840 = 13,929,840 : x
  2. Step 2: Convert to fraction form
    8,977,800/13,929,840 = 13,929,840/x
  3. Step 3: Cross multiply
    8,977,800x = 13,929,840 × 13,929,840
  4. Step 4: Simplify right side
    8,977,800x = 194,040,442,425,600
  5. Step 5: Solve for x
    x = 194,040,442,425,600/8,977,800
  6. Step 6: Final answer
    x = 21,613,362.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.