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Finding the Third Proportional to 987,501 and 1,474,780

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Solution

The third proportional to 987,501 and 1,474,780 is: 2,202,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,501 : 1,474,780 = 1,474,780 : x
  2. Step 2: Convert to fraction form
    987,501/1,474,780 = 1,474,780/x
  3. Step 3: Cross multiply
    987,501x = 1,474,780 × 1,474,780
  4. Step 4: Simplify right side
    987,501x = 2,174,976,048,400
  5. Step 5: Solve for x
    x = 2,174,976,048,400/987,501
  6. Step 6: Final answer
    x = 2,202,505.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.