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Finding the Third Proportional to 332,123.25 and 528,729

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Solution

The third proportional to 332,123.25 and 528,729 is: 841,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,123.25 : 528,729 = 528,729 : x
  2. Step 2: Convert to fraction form
    332,123.25/528,729 = 528,729/x
  3. Step 3: Cross multiply
    332,123.25x = 528,729 × 528,729
  4. Step 4: Simplify right side
    332,123.25x = 279,554,355,441
  5. Step 5: Solve for x
    x = 279,554,355,441/332,123.25
  6. Step 6: Final answer
    x = 841,718.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.