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Finding the Third Proportional to 787,239 and 1,253,262

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Solution

The third proportional to 787,239 and 1,253,262 is: 1,995,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,239 : 1,253,262 = 1,253,262 : x
  2. Step 2: Convert to fraction form
    787,239/1,253,262 = 1,253,262/x
  3. Step 3: Cross multiply
    787,239x = 1,253,262 × 1,253,262
  4. Step 4: Simplify right side
    787,239x = 1,570,665,640,644
  5. Step 5: Solve for x
    x = 1,570,665,640,644/787,239
  6. Step 6: Final answer
    x = 1,995,157.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.