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Finding the Third Proportional to 67,407,289.50 and 145,227,519

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Solution

The third proportional to 67,407,289.50 and 145,227,519 is: 312,889,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,407,289.50 : 145,227,519 = 145,227,519 : x
  2. Step 2: Convert to fraction form
    67,407,289.50/145,227,519 = 145,227,519/x
  3. Step 3: Cross multiply
    67,407,289.50x = 145,227,519 × 145,227,519
  4. Step 4: Simplify right side
    67,407,289.50x = 21,091,032,274,895,360
  5. Step 5: Solve for x
    x = 21,091,032,274,895,360/67,407,289.50
  6. Step 6: Final answer
    x = 312,889,487.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.