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Finding the Third Proportional to 873,285 and 1,388,654

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Solution

The third proportional to 873,285 and 1,388,654 is: 2,208,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,285 : 1,388,654 = 1,388,654 : x
  2. Step 2: Convert to fraction form
    873,285/1,388,654 = 1,388,654/x
  3. Step 3: Cross multiply
    873,285x = 1,388,654 × 1,388,654
  4. Step 4: Simplify right side
    873,285x = 1,928,359,931,716
  5. Step 5: Solve for x
    x = 1,928,359,931,716/873,285
  6. Step 6: Final answer
    x = 2,208,167.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.