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Finding the Third Proportional to 103,480 and 155,476

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Solution

The third proportional to 103,480 and 155,476 is: 233,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480 : 155,476 = 155,476 : x
  2. Step 2: Convert to fraction form
    103,480/155,476 = 155,476/x
  3. Step 3: Cross multiply
    103,480x = 155,476 × 155,476
  4. Step 4: Simplify right side
    103,480x = 24,172,786,576
  5. Step 5: Solve for x
    x = 24,172,786,576/103,480
  6. Step 6: Final answer
    x = 233,598.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.