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Finding the Third Proportional to 635,942 and 891,333

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Solution

The third proportional to 635,942 and 891,333 is: 1,249,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,942 : 891,333 = 891,333 : x
  2. Step 2: Convert to fraction form
    635,942/891,333 = 891,333/x
  3. Step 3: Cross multiply
    635,942x = 891,333 × 891,333
  4. Step 4: Simplify right side
    635,942x = 794,474,516,889
  5. Step 5: Solve for x
    x = 794,474,516,889/635,942
  6. Step 6: Final answer
    x = 1,249,287.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.