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Finding the Third Proportional to 907,787 and 1,319,115

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Solution

The third proportional to 907,787 and 1,319,115 is: 1,916,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,787 : 1,319,115 = 1,319,115 : x
  2. Step 2: Convert to fraction form
    907,787/1,319,115 = 1,319,115/x
  3. Step 3: Cross multiply
    907,787x = 1,319,115 × 1,319,115
  4. Step 4: Simplify right side
    907,787x = 1,740,064,383,225
  5. Step 5: Solve for x
    x = 1,740,064,383,225/907,787
  6. Step 6: Final answer
    x = 1,916,820.12

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.