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Finding the Third Proportional to 155,428.88 and 240,011.44

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Solution

The third proportional to 155,428.88 and 240,011.44 is: 370,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.88 : 240,011.44 = 240,011.44 : x
  2. Step 2: Convert to fraction form
    155,428.88/240,011.44 = 240,011.44/x
  3. Step 3: Cross multiply
    155,428.88x = 240,011.44 × 240,011.44
  4. Step 4: Simplify right side
    155,428.88x = 57,605,490,130.82
  5. Step 5: Solve for x
    x = 57,605,490,130.82/155,428.88
  6. Step 6: Final answer
    x = 370,622.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.