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Finding the Third Proportional to 207,707,532.75 and 328,899,561.75

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Solution

The third proportional to 207,707,532.75 and 328,899,561.75 is: 520,804,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,707,532.75 : 328,899,561.75 = 328,899,561.75 : x
  2. Step 2: Convert to fraction form
    207,707,532.75/328,899,561.75 = 328,899,561.75/x
  3. Step 3: Cross multiply
    207,707,532.75x = 328,899,561.75 × 328,899,561.75
  4. Step 4: Simplify right side
    207,707,532.75x = 108,174,921,719,342,064
  5. Step 5: Solve for x
    x = 108,174,921,719,342,064/207,707,532.75
  6. Step 6: Final answer
    x = 520,804,037.71

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.