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Finding the Third Proportional to 464,903 and 718,392

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Solution

The third proportional to 464,903 and 718,392 is: 1,110,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,903 : 718,392 = 718,392 : x
  2. Step 2: Convert to fraction form
    464,903/718,392 = 718,392/x
  3. Step 3: Cross multiply
    464,903x = 718,392 × 718,392
  4. Step 4: Simplify right side
    464,903x = 516,087,065,664
  5. Step 5: Solve for x
    x = 516,087,065,664/464,903
  6. Step 6: Final answer
    x = 1,110,096.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.