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Finding the Third Proportional to 167,242.50 and 360,729

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Solution

The third proportional to 167,242.50 and 360,729 is: 778,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,242.50 : 360,729 = 360,729 : x
  2. Step 2: Convert to fraction form
    167,242.50/360,729 = 360,729/x
  3. Step 3: Cross multiply
    167,242.50x = 360,729 × 360,729
  4. Step 4: Simplify right side
    167,242.50x = 130,125,411,441
  5. Step 5: Solve for x
    x = 130,125,411,441/167,242.50
  6. Step 6: Final answer
    x = 778,064.26

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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.