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Finding the Third Proportional to 873,437 and 1,851,855

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Solution

The third proportional to 873,437 and 1,851,855 is: 3,926,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,437 : 1,851,855 = 1,851,855 : x
  2. Step 2: Convert to fraction form
    873,437/1,851,855 = 1,851,855/x
  3. Step 3: Cross multiply
    873,437x = 1,851,855 × 1,851,855
  4. Step 4: Simplify right side
    873,437x = 3,429,366,941,025
  5. Step 5: Solve for x
    x = 3,429,366,941,025/873,437
  6. Step 6: Final answer
    x = 3,926,289.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.