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Finding the Third Proportional to 142,056.16 and 306,252.31

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Solution

The third proportional to 142,056.16 and 306,252.31 is: 660,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,056.16 : 306,252.31 = 306,252.31 : x
  2. Step 2: Convert to fraction form
    142,056.16/306,252.31 = 306,252.31/x
  3. Step 3: Cross multiply
    142,056.16x = 306,252.31 × 306,252.31
  4. Step 4: Simplify right side
    142,056.16x = 93,790,478,911.60
  5. Step 5: Solve for x
    x = 93,790,478,911.60/142,056.16
  6. Step 6: Final answer
    x = 660,235.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.