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Finding the Third Proportional to 153,040 and 224,520

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Solution

The third proportional to 153,040 and 224,520 is: 329,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040 : 224,520 = 224,520 : x
  2. Step 2: Convert to fraction form
    153,040/224,520 = 224,520/x
  3. Step 3: Cross multiply
    153,040x = 224,520 × 224,520
  4. Step 4: Simplify right side
    153,040x = 50,409,230,400
  5. Step 5: Solve for x
    x = 50,409,230,400/153,040
  6. Step 6: Final answer
    x = 329,385.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.