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Finding the Third Proportional to 20,540,158.88 and 31,788,007.88

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Solution

The third proportional to 20,540,158.88 and 31,788,007.88 is: 49,195,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540,158.88 : 31,788,007.88 = 31,788,007.88 : x
  2. Step 2: Convert to fraction form
    20,540,158.88/31,788,007.88 = 31,788,007.88/x
  3. Step 3: Cross multiply
    20,540,158.88x = 31,788,007.88 × 31,788,007.88
  4. Step 4: Simplify right side
    20,540,158.88x = 1,010,477,444,661,062
  5. Step 5: Solve for x
    x = 1,010,477,444,661,062/20,540,158.88
  6. Step 6: Final answer
    x = 49,195,210.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.