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Finding the Third Proportional to 240,416 and 514,185

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Solution

The third proportional to 240,416 and 514,185 is: 1,099,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,416 : 514,185 = 514,185 : x
  2. Step 2: Convert to fraction form
    240,416/514,185 = 514,185/x
  3. Step 3: Cross multiply
    240,416x = 514,185 × 514,185
  4. Step 4: Simplify right side
    240,416x = 264,386,214,225
  5. Step 5: Solve for x
    x = 264,386,214,225/240,416
  6. Step 6: Final answer
    x = 1,099,703.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.