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Finding the Third Proportional to 1,270,702.50 and 2,790,237

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Solution

The third proportional to 1,270,702.50 and 2,790,237 is: 6,126,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,702.50 : 2,790,237 = 2,790,237 : x
  2. Step 2: Convert to fraction form
    1,270,702.50/2,790,237 = 2,790,237/x
  3. Step 3: Cross multiply
    1,270,702.50x = 2,790,237 × 2,790,237
  4. Step 4: Simplify right side
    1,270,702.50x = 7,785,422,516,169
  5. Step 5: Solve for x
    x = 7,785,422,516,169/1,270,702.50
  6. Step 6: Final answer
    x = 6,126,864.88

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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.