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Finding the Third Proportional to 167,312 and 360,688

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Solution

The third proportional to 167,312 and 360,688 is: 777,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,312 : 360,688 = 360,688 : x
  2. Step 2: Convert to fraction form
    167,312/360,688 = 360,688/x
  3. Step 3: Cross multiply
    167,312x = 360,688 × 360,688
  4. Step 4: Simplify right side
    167,312x = 130,095,833,344
  5. Step 5: Solve for x
    x = 130,095,833,344/167,312
  6. Step 6: Final answer
    x = 777,564.27

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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.