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Finding the Third Proportional to 475,810 and 695,847

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Solution

The third proportional to 475,810 and 695,847 is: 1,017,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,810 : 695,847 = 695,847 : x
  2. Step 2: Convert to fraction form
    475,810/695,847 = 695,847/x
  3. Step 3: Cross multiply
    475,810x = 695,847 × 695,847
  4. Step 4: Simplify right side
    475,810x = 484,203,047,409
  5. Step 5: Solve for x
    x = 484,203,047,409/475,810
  6. Step 6: Final answer
    x = 1,017,639.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.