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Finding the Third Proportional to 297,918 and 702,648

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Solution

The third proportional to 297,918 and 702,648 is: 1,657,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,918 : 702,648 = 702,648 : x
  2. Step 2: Convert to fraction form
    297,918/702,648 = 702,648/x
  3. Step 3: Cross multiply
    297,918x = 702,648 × 702,648
  4. Step 4: Simplify right side
    297,918x = 493,714,211,904
  5. Step 5: Solve for x
    x = 493,714,211,904/297,918
  6. Step 6: Final answer
    x = 1,657,215.11

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.