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Finding the Third Proportional to 663,336 and 1,000,553

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Solution

The third proportional to 663,336 and 1,000,553 is: 1,509,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,336 : 1,000,553 = 1,000,553 : x
  2. Step 2: Convert to fraction form
    663,336/1,000,553 = 1,000,553/x
  3. Step 3: Cross multiply
    663,336x = 1,000,553 × 1,000,553
  4. Step 4: Simplify right side
    663,336x = 1,001,106,305,809
  5. Step 5: Solve for x
    x = 1,001,106,305,809/663,336
  6. Step 6: Final answer
    x = 1,509,199.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.