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Finding the Third Proportional to 8,912,715.75 and 19,527,702.75

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Solution

The third proportional to 8,912,715.75 and 19,527,702.75 is: 42,785,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,715.75 : 19,527,702.75 = 19,527,702.75 : x
  2. Step 2: Convert to fraction form
    8,912,715.75/19,527,702.75 = 19,527,702.75/x
  3. Step 3: Cross multiply
    8,912,715.75x = 19,527,702.75 × 19,527,702.75
  4. Step 4: Simplify right side
    8,912,715.75x = 381,331,174,692,357.56
  5. Step 5: Solve for x
    x = 381,331,174,692,357.56/8,912,715.75
  6. Step 6: Final answer
    x = 42,785,070.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.