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Finding the Third Proportional to 15,988,115.50 and 35,164,145.75

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Solution

The third proportional to 15,988,115.50 and 35,164,145.75 is: 77,339,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988,115.50 : 35,164,145.75 = 35,164,145.75 : x
  2. Step 2: Convert to fraction form
    15,988,115.50/35,164,145.75 = 35,164,145.75/x
  3. Step 3: Cross multiply
    15,988,115.50x = 35,164,145.75 × 35,164,145.75
  4. Step 4: Simplify right side
    15,988,115.50x = 1,236,517,146,327,243
  5. Step 5: Solve for x
    x = 1,236,517,146,327,243/15,988,115.50
  6. Step 6: Final answer
    x = 77,339,768.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.