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Finding the Third Proportional to 28,429,728.75 and 61,398,758.25

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Solution

The third proportional to 28,429,728.75 and 61,398,758.25 is: 132,600,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429,728.75 : 61,398,758.25 = 61,398,758.25 : x
  2. Step 2: Convert to fraction form
    28,429,728.75/61,398,758.25 = 61,398,758.25/x
  3. Step 3: Cross multiply
    28,429,728.75x = 61,398,758.25 × 61,398,758.25
  4. Step 4: Simplify right side
    28,429,728.75x = 3,769,807,514,641,943
  5. Step 5: Solve for x
    x = 3,769,807,514,641,943/28,429,728.75
  6. Step 6: Final answer
    x = 132,600,896.33

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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.