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Finding the Third Proportional to 491,320.50 and 695,971.50

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Solution

The third proportional to 491,320.50 and 695,971.50 is: 985,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,320.50 : 695,971.50 = 695,971.50 : x
  2. Step 2: Convert to fraction form
    491,320.50/695,971.50 = 695,971.50/x
  3. Step 3: Cross multiply
    491,320.50x = 695,971.50 × 695,971.50
  4. Step 4: Simplify right side
    491,320.50x = 484,376,328,812.25
  5. Step 5: Solve for x
    x = 484,376,328,812.25/491,320.50
  6. Step 6: Final answer
    x = 985,866.31

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.