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Finding the Third Proportional to 387,645,940.50 and 850,611,340.50

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Solution

The third proportional to 387,645,940.50 and 850,611,340.50 is: 1,866,496,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,940.50 : 850,611,340.50 = 850,611,340.50 : x
  2. Step 2: Convert to fraction form
    387,645,940.50/850,611,340.50 = 850,611,340.50/x
  3. Step 3: Cross multiply
    387,645,940.50x = 850,611,340.50 × 850,611,340.50
  4. Step 4: Simplify right side
    387,645,940.50x = 723,539,652,587,206,912
  5. Step 5: Solve for x
    x = 723,539,652,587,206,912/387,645,940.50
  6. Step 6: Final answer
    x = 1,866,496,142.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.