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Finding the Third Proportional to 30,878,566.50 and 67,134,975

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Solution

The third proportional to 30,878,566.50 and 67,134,975 is: 145,962,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,878,566.50 : 67,134,975 = 67,134,975 : x
  2. Step 2: Convert to fraction form
    30,878,566.50/67,134,975 = 67,134,975/x
  3. Step 3: Cross multiply
    30,878,566.50x = 67,134,975 × 67,134,975
  4. Step 4: Simplify right side
    30,878,566.50x = 4,507,104,868,250,625
  5. Step 5: Solve for x
    x = 4,507,104,868,250,625/30,878,566.50
  6. Step 6: Final answer
    x = 145,962,244.34

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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.