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Finding the Third Proportional to 402,079 and 884,119

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Solution

The third proportional to 402,079 and 884,119 is: 1,944,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,079 : 884,119 = 884,119 : x
  2. Step 2: Convert to fraction form
    402,079/884,119 = 884,119/x
  3. Step 3: Cross multiply
    402,079x = 884,119 × 884,119
  4. Step 4: Simplify right side
    402,079x = 781,666,406,161
  5. Step 5: Solve for x
    x = 781,666,406,161/402,079
  6. Step 6: Final answer
    x = 1,944,061.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.