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Finding the Third Proportional to 262,900 and 429,252.50

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Solution

The third proportional to 262,900 and 429,252.50 is: 700,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,900 : 429,252.50 = 429,252.50 : x
  2. Step 2: Convert to fraction form
    262,900/429,252.50 = 429,252.50/x
  3. Step 3: Cross multiply
    262,900x = 429,252.50 × 429,252.50
  4. Step 4: Simplify right side
    262,900x = 184,257,708,756.25
  5. Step 5: Solve for x
    x = 184,257,708,756.25/262,900
  6. Step 6: Final answer
    x = 700,866.14

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.