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Finding the Third Proportional to 12,977,190 and 28,006,177.50

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Solution

The third proportional to 12,977,190 and 28,006,177.50 is: 60,440,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,190 : 28,006,177.50 = 28,006,177.50 : x
  2. Step 2: Convert to fraction form
    12,977,190/28,006,177.50 = 28,006,177.50/x
  3. Step 3: Cross multiply
    12,977,190x = 28,006,177.50 × 28,006,177.50
  4. Step 4: Simplify right side
    12,977,190x = 784,345,978,161,506.25
  5. Step 5: Solve for x
    x = 784,345,978,161,506.25/12,977,190
  6. Step 6: Final answer
    x = 60,440,355.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.