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Finding the Third Proportional to 370,728 and 554,816.25

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Solution

The third proportional to 370,728 and 554,816.25 is: 830,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,728 : 554,816.25 = 554,816.25 : x
  2. Step 2: Convert to fraction form
    370,728/554,816.25 = 554,816.25/x
  3. Step 3: Cross multiply
    370,728x = 554,816.25 × 554,816.25
  4. Step 4: Simplify right side
    370,728x = 307,821,071,264.06
  5. Step 5: Solve for x
    x = 307,821,071,264.06/370,728
  6. Step 6: Final answer
    x = 830,315.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.