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Finding the Third Proportional to 292,474 and 637,832

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Solution

The third proportional to 292,474 and 637,832 is: 1,390,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,474 : 637,832 = 637,832 : x
  2. Step 2: Convert to fraction form
    292,474/637,832 = 637,832/x
  3. Step 3: Cross multiply
    292,474x = 637,832 × 637,832
  4. Step 4: Simplify right side
    292,474x = 406,829,660,224
  5. Step 5: Solve for x
    x = 406,829,660,224/292,474
  6. Step 6: Final answer
    x = 1,390,994.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.