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Finding the Third Proportional to 120,540,442.50 and 261,630,045

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Solution

The third proportional to 120,540,442.50 and 261,630,045 is: 567,861,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,540,442.50 : 261,630,045 = 261,630,045 : x
  2. Step 2: Convert to fraction form
    120,540,442.50/261,630,045 = 261,630,045/x
  3. Step 3: Cross multiply
    120,540,442.50x = 261,630,045 × 261,630,045
  4. Step 4: Simplify right side
    120,540,442.50x = 68,450,280,446,702,024
  5. Step 5: Solve for x
    x = 68,450,280,446,702,024/120,540,442.50
  6. Step 6: Final answer
    x = 567,861,532.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.