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Finding the Third Proportional to 160,142 and 370,688

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Solution

The third proportional to 160,142 and 370,688 is: 858,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,142 : 370,688 = 370,688 : x
  2. Step 2: Convert to fraction form
    160,142/370,688 = 370,688/x
  3. Step 3: Cross multiply
    160,142x = 370,688 × 370,688
  4. Step 4: Simplify right side
    160,142x = 137,409,593,344
  5. Step 5: Solve for x
    x = 137,409,593,344/160,142
  6. Step 6: Final answer
    x = 858,048.44

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.