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Finding the Third Proportional to 120,054 and 260,457

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Solution

The third proportional to 120,054 and 260,457 is: 565,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,054 : 260,457 = 260,457 : x
  2. Step 2: Convert to fraction form
    120,054/260,457 = 260,457/x
  3. Step 3: Cross multiply
    120,054x = 260,457 × 260,457
  4. Step 4: Simplify right side
    120,054x = 67,837,848,849
  5. Step 5: Solve for x
    x = 67,837,848,849/120,054
  6. Step 6: Final answer
    x = 565,061.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.