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Finding the Third Proportional to 174,416 and 260,944

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Solution

The third proportional to 174,416 and 260,944 is: 390,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,416 : 260,944 = 260,944 : x
  2. Step 2: Convert to fraction form
    174,416/260,944 = 260,944/x
  3. Step 3: Cross multiply
    174,416x = 260,944 × 260,944
  4. Step 4: Simplify right side
    174,416x = 68,091,771,136
  5. Step 5: Solve for x
    x = 68,091,771,136/174,416
  6. Step 6: Final answer
    x = 390,398.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.