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Finding the Third Proportional to 356,815.13 and 525,366

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Solution

The third proportional to 356,815.13 and 525,366 is: 773,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,815.13 : 525,366 = 525,366 : x
  2. Step 2: Convert to fraction form
    356,815.13/525,366 = 525,366/x
  3. Step 3: Cross multiply
    356,815.13x = 525,366 × 525,366
  4. Step 4: Simplify right side
    356,815.13x = 276,009,433,956
  5. Step 5: Solve for x
    x = 276,009,433,956/356,815.13
  6. Step 6: Final answer
    x = 773,536.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.