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Finding the Third Proportional to 670,115 and 1,036,278

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Solution

The third proportional to 670,115 and 1,036,278 is: 1,602,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,115 : 1,036,278 = 1,036,278 : x
  2. Step 2: Convert to fraction form
    670,115/1,036,278 = 1,036,278/x
  3. Step 3: Cross multiply
    670,115x = 1,036,278 × 1,036,278
  4. Step 4: Simplify right side
    670,115x = 1,073,872,093,284
  5. Step 5: Solve for x
    x = 1,073,872,093,284/670,115
  6. Step 6: Final answer
    x = 1,602,519.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.