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Finding the Third Proportional to 586,772 and 881,456

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Solution

The third proportional to 586,772 and 881,456 is: 1,324,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,772 : 881,456 = 881,456 : x
  2. Step 2: Convert to fraction form
    586,772/881,456 = 881,456/x
  3. Step 3: Cross multiply
    586,772x = 881,456 × 881,456
  4. Step 4: Simplify right side
    586,772x = 776,964,679,936
  5. Step 5: Solve for x
    x = 776,964,679,936/586,772
  6. Step 6: Final answer
    x = 1,324,133.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.