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Finding the Third Proportional to 540,515 and 1,251,151

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Solution

The third proportional to 540,515 and 1,251,151 is: 2,896,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,515 : 1,251,151 = 1,251,151 : x
  2. Step 2: Convert to fraction form
    540,515/1,251,151 = 1,251,151/x
  3. Step 3: Cross multiply
    540,515x = 1,251,151 × 1,251,151
  4. Step 4: Simplify right side
    540,515x = 1,565,378,824,801
  5. Step 5: Solve for x
    x = 1,565,378,824,801/540,515
  6. Step 6: Final answer
    x = 2,896,087.67

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.