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Finding the Third Proportional to 294,045.75 and 432,456.75

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Solution

The third proportional to 294,045.75 and 432,456.75 is: 636,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,045.75 : 432,456.75 = 432,456.75 : x
  2. Step 2: Convert to fraction form
    294,045.75/432,456.75 = 432,456.75/x
  3. Step 3: Cross multiply
    294,045.75x = 432,456.75 × 432,456.75
  4. Step 4: Simplify right side
    294,045.75x = 187,018,840,620.56
  5. Step 5: Solve for x
    x = 187,018,840,620.56/294,045.75
  6. Step 6: Final answer
    x = 636,019.53

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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.