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Finding the Third Proportional to 295,724 and 418,443

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Solution

The third proportional to 295,724 and 418,443 is: 592,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,724 : 418,443 = 418,443 : x
  2. Step 2: Convert to fraction form
    295,724/418,443 = 418,443/x
  3. Step 3: Cross multiply
    295,724x = 418,443 × 418,443
  4. Step 4: Simplify right side
    295,724x = 175,094,544,249
  5. Step 5: Solve for x
    x = 175,094,544,249/295,724
  6. Step 6: Final answer
    x = 592,087.70

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.