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Finding the Third Proportional to 67,011,520.50 and 145,889,109

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Solution

The third proportional to 67,011,520.50 and 145,889,109 is: 317,611,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011,520.50 : 145,889,109 = 145,889,109 : x
  2. Step 2: Convert to fraction form
    67,011,520.50/145,889,109 = 145,889,109/x
  3. Step 3: Cross multiply
    67,011,520.50x = 145,889,109 × 145,889,109
  4. Step 4: Simplify right side
    67,011,520.50x = 21,283,632,124,813,880
  5. Step 5: Solve for x
    x = 21,283,632,124,813,880/67,011,520.50
  6. Step 6: Final answer
    x = 317,611,538.52

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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.