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Finding the Third Proportional to 423,395 and 913,263

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Solution

The third proportional to 423,395 and 913,263 is: 1,969,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,395 : 913,263 = 913,263 : x
  2. Step 2: Convert to fraction form
    423,395/913,263 = 913,263/x
  3. Step 3: Cross multiply
    423,395x = 913,263 × 913,263
  4. Step 4: Simplify right side
    423,395x = 834,049,307,169
  5. Step 5: Solve for x
    x = 834,049,307,169/423,395
  6. Step 6: Final answer
    x = 1,969,908.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.