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Finding the Third Proportional to 292,266 and 628,047

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Solution

The third proportional to 292,266 and 628,047 is: 1,349,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,266 : 628,047 = 628,047 : x
  2. Step 2: Convert to fraction form
    292,266/628,047 = 628,047/x
  3. Step 3: Cross multiply
    292,266x = 628,047 × 628,047
  4. Step 4: Simplify right side
    292,266x = 394,443,034,209
  5. Step 5: Solve for x
    x = 394,443,034,209/292,266
  6. Step 6: Final answer
    x = 1,349,602.88

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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.