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Finding the Third Proportional to 28,429,800 and 61,398,900

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Solution

The third proportional to 28,429,800 and 61,398,900 is: 132,601,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429,800 : 61,398,900 = 61,398,900 : x
  2. Step 2: Convert to fraction form
    28,429,800/61,398,900 = 61,398,900/x
  3. Step 3: Cross multiply
    28,429,800x = 61,398,900 × 61,398,900
  4. Step 4: Simplify right side
    28,429,800x = 3,769,824,921,210,000
  5. Step 5: Solve for x
    x = 3,769,824,921,210,000/28,429,800
  6. Step 6: Final answer
    x = 132,601,176.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.