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Finding the Third Proportional to 240,394 and 514,140

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Solution

The third proportional to 240,394 and 514,140 is: 1,099,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,394 : 514,140 = 514,140 : x
  2. Step 2: Convert to fraction form
    240,394/514,140 = 514,140/x
  3. Step 3: Cross multiply
    240,394x = 514,140 × 514,140
  4. Step 4: Simplify right side
    240,394x = 264,339,939,600
  5. Step 5: Solve for x
    x = 264,339,939,600/240,394
  6. Step 6: Final answer
    x = 1,099,611.22

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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.