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Finding the Third Proportional to 173,130 and 270,630

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Solution

The third proportional to 173,130 and 270,630 is: 423,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,130 : 270,630 = 270,630 : x
  2. Step 2: Convert to fraction form
    173,130/270,630 = 270,630/x
  3. Step 3: Cross multiply
    173,130x = 270,630 × 270,630
  4. Step 4: Simplify right side
    173,130x = 73,240,596,900
  5. Step 5: Solve for x
    x = 73,240,596,900/173,130
  6. Step 6: Final answer
    x = 423,038.16

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.