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Finding the Third Proportional to 7,812,615 and 17,137,966.50

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Solution

The third proportional to 7,812,615 and 17,137,966.50 is: 37,594,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,615 : 17,137,966.50 = 17,137,966.50 : x
  2. Step 2: Convert to fraction form
    7,812,615/17,137,966.50 = 17,137,966.50/x
  3. Step 3: Cross multiply
    7,812,615x = 17,137,966.50 × 17,137,966.50
  4. Step 4: Simplify right side
    7,812,615x = 293,709,895,755,122.25
  5. Step 5: Solve for x
    x = 293,709,895,755,122.25/7,812,615
  6. Step 6: Final answer
    x = 37,594,313.27

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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.