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Finding the Third Proportional to 153,024.75 and 215,110.50

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Solution

The third proportional to 153,024.75 and 215,110.50 is: 302,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,024.75 : 215,110.50 = 215,110.50 : x
  2. Step 2: Convert to fraction form
    153,024.75/215,110.50 = 215,110.50/x
  3. Step 3: Cross multiply
    153,024.75x = 215,110.50 × 215,110.50
  4. Step 4: Simplify right side
    153,024.75x = 46,272,527,210.25
  5. Step 5: Solve for x
    x = 46,272,527,210.25/153,024.75
  6. Step 6: Final answer
    x = 302,385.90

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.