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Finding the Third Proportional to 3,571,858.50 and 7,837,428

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Solution

The third proportional to 3,571,858.50 and 7,837,428 is: 17,197,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,858.50 : 7,837,428 = 7,837,428 : x
  2. Step 2: Convert to fraction form
    3,571,858.50/7,837,428 = 7,837,428/x
  3. Step 3: Cross multiply
    3,571,858.50x = 7,837,428 × 7,837,428
  4. Step 4: Simplify right side
    3,571,858.50x = 61,425,277,655,184
  5. Step 5: Solve for x
    x = 61,425,277,655,184/3,571,858.50
  6. Step 6: Final answer
    x = 17,197,007.57

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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.