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Finding the Third Proportional to 294,632 and 644,992

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Solution

The third proportional to 294,632 and 644,992 is: 1,411,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,632 : 644,992 = 644,992 : x
  2. Step 2: Convert to fraction form
    294,632/644,992 = 644,992/x
  3. Step 3: Cross multiply
    294,632x = 644,992 × 644,992
  4. Step 4: Simplify right side
    294,632x = 416,014,680,064
  5. Step 5: Solve for x
    x = 416,014,680,064/294,632
  6. Step 6: Final answer
    x = 1,411,980.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.