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Finding the Third Proportional to 245,428.31 and 360,060.19

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Solution

The third proportional to 245,428.31 and 360,060.19 is: 528,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,428.31 : 360,060.19 = 360,060.19 : x
  2. Step 2: Convert to fraction form
    245,428.31/360,060.19 = 360,060.19/x
  3. Step 3: Cross multiply
    245,428.31x = 360,060.19 × 360,060.19
  4. Step 4: Simplify right side
    245,428.31x = 129,643,338,622.54
  5. Step 5: Solve for x
    x = 129,643,338,622.54/245,428.31
  6. Step 6: Final answer
    x = 528,233.02

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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.