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Finding the Third Proportional to 264,505 and 402,294.50

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Solution

The third proportional to 264,505 and 402,294.50 is: 611,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505 : 402,294.50 = 402,294.50 : x
  2. Step 2: Convert to fraction form
    264,505/402,294.50 = 402,294.50/x
  3. Step 3: Cross multiply
    264,505x = 402,294.50 × 402,294.50
  4. Step 4: Simplify right side
    264,505x = 161,840,864,730.25
  5. Step 5: Solve for x
    x = 161,840,864,730.25/264,505
  6. Step 6: Final answer
    x = 611,863.16

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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.