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Finding the Third Proportional to 447,888 and 658,764

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Solution

The third proportional to 447,888 and 658,764 is: 968,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,888 : 658,764 = 658,764 : x
  2. Step 2: Convert to fraction form
    447,888/658,764 = 658,764/x
  3. Step 3: Cross multiply
    447,888x = 658,764 × 658,764
  4. Step 4: Simplify right side
    447,888x = 433,970,007,696
  5. Step 5: Solve for x
    x = 433,970,007,696/447,888
  6. Step 6: Final answer
    x = 968,925.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.