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Finding the Third Proportional to 368,043 and 553,907.25

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Solution

The third proportional to 368,043 and 553,907.25 is: 833,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,043 : 553,907.25 = 553,907.25 : x
  2. Step 2: Convert to fraction form
    368,043/553,907.25 = 553,907.25/x
  3. Step 3: Cross multiply
    368,043x = 553,907.25 × 553,907.25
  4. Step 4: Simplify right side
    368,043x = 306,813,241,602.56
  5. Step 5: Solve for x
    x = 306,813,241,602.56/368,043
  6. Step 6: Final answer
    x = 833,634.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.