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Finding the Third Proportional to 264,421.13 and 402,826.50

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Solution

The third proportional to 264,421.13 and 402,826.50 is: 613,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,421.13 : 402,826.50 = 402,826.50 : x
  2. Step 2: Convert to fraction form
    264,421.13/402,826.50 = 402,826.50/x
  3. Step 3: Cross multiply
    264,421.13x = 402,826.50 × 402,826.50
  4. Step 4: Simplify right side
    264,421.13x = 162,269,189,102.25
  5. Step 5: Solve for x
    x = 162,269,189,102.25/264,421.13
  6. Step 6: Final answer
    x = 613,677.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.