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Finding the Third Proportional to 487,487 and 1,087,001

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Solution

The third proportional to 487,487 and 1,087,001 is: 2,423,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,487 : 1,087,001 = 1,087,001 : x
  2. Step 2: Convert to fraction form
    487,487/1,087,001 = 1,087,001/x
  3. Step 3: Cross multiply
    487,487x = 1,087,001 × 1,087,001
  4. Step 4: Simplify right side
    487,487x = 1,181,571,174,001
  5. Step 5: Solve for x
    x = 1,181,571,174,001/487,487
  6. Step 6: Final answer
    x = 2,423,800.38

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.