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Finding the Third Proportional to 95,178,172 and 128,417,700

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Solution

The third proportional to 95,178,172 and 128,417,700 is: 173,265,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,178,172 : 128,417,700 = 128,417,700 : x
  2. Step 2: Convert to fraction form
    95,178,172/128,417,700 = 128,417,700/x
  3. Step 3: Cross multiply
    95,178,172x = 128,417,700 × 128,417,700
  4. Step 4: Simplify right side
    95,178,172x = 16,491,105,673,290,000
  5. Step 5: Solve for x
    x = 16,491,105,673,290,000/95,178,172
  6. Step 6: Final answer
    x = 173,265,627.26

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.