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Finding the Third Proportional to 341,678.25 and 509,746.50

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Solution

The third proportional to 341,678.25 and 509,746.50 is: 760,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,678.25 : 509,746.50 = 509,746.50 : x
  2. Step 2: Convert to fraction form
    341,678.25/509,746.50 = 509,746.50/x
  3. Step 3: Cross multiply
    341,678.25x = 509,746.50 × 509,746.50
  4. Step 4: Simplify right side
    341,678.25x = 259,841,494,262.25
  5. Step 5: Solve for x
    x = 259,841,494,262.25/341,678.25
  6. Step 6: Final answer
    x = 760,485.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.