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Finding the Third Proportional to 170,664 and 372,430.50

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Solution

The third proportional to 170,664 and 372,430.50 is: 812,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,664 : 372,430.50 = 372,430.50 : x
  2. Step 2: Convert to fraction form
    170,664/372,430.50 = 372,430.50/x
  3. Step 3: Cross multiply
    170,664x = 372,430.50 × 372,430.50
  4. Step 4: Simplify right side
    170,664x = 138,704,477,330.25
  5. Step 5: Solve for x
    x = 138,704,477,330.25/170,664
  6. Step 6: Final answer
    x = 812,734.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.