Home / 31,473,130.50-67,729,236.75

Finding the Third Proportional to 31,473,130.50 and 67,729,236.75

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Solution

The third proportional to 31,473,130.50 and 67,729,236.75 is: 145,751,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473,130.50 : 67,729,236.75 = 67,729,236.75 : x
  2. Step 2: Convert to fraction form
    31,473,130.50/67,729,236.75 = 67,729,236.75/x
  3. Step 3: Cross multiply
    31,473,130.50x = 67,729,236.75 × 67,729,236.75
  4. Step 4: Simplify right side
    31,473,130.50x = 4,587,249,510,737,551
  5. Step 5: Solve for x
    x = 4,587,249,510,737,551/31,473,130.50
  6. Step 6: Final answer
    x = 145,751,294.45

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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.