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Finding the Third Proportional to 370,412.50 and 553,179.50

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Solution

The third proportional to 370,412.50 and 553,179.50 is: 826,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,412.50 : 553,179.50 = 553,179.50 : x
  2. Step 2: Convert to fraction form
    370,412.50/553,179.50 = 553,179.50/x
  3. Step 3: Cross multiply
    370,412.50x = 553,179.50 × 553,179.50
  4. Step 4: Simplify right side
    370,412.50x = 306,007,559,220.25
  5. Step 5: Solve for x
    x = 306,007,559,220.25/370,412.50
  6. Step 6: Final answer
    x = 826,126.44

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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.