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Finding the Third Proportional to 702,965 and 1,512,729

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Solution

The third proportional to 702,965 and 1,512,729 is: 3,255,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,965 : 1,512,729 = 1,512,729 : x
  2. Step 2: Convert to fraction form
    702,965/1,512,729 = 1,512,729/x
  3. Step 3: Cross multiply
    702,965x = 1,512,729 × 1,512,729
  4. Step 4: Simplify right side
    702,965x = 2,288,349,027,441
  5. Step 5: Solve for x
    x = 2,288,349,027,441/702,965
  6. Step 6: Final answer
    x = 3,255,281.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.