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Finding the Third Proportional to 261,113.25 and 352,303.50

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Solution

The third proportional to 261,113.25 and 352,303.50 is: 475,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,113.25 : 352,303.50 = 352,303.50 : x
  2. Step 2: Convert to fraction form
    261,113.25/352,303.50 = 352,303.50/x
  3. Step 3: Cross multiply
    261,113.25x = 352,303.50 × 352,303.50
  4. Step 4: Simplify right side
    261,113.25x = 124,117,756,112.25
  5. Step 5: Solve for x
    x = 124,117,756,112.25/261,113.25
  6. Step 6: Final answer
    x = 475,340.70

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.