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Finding the Third Proportional to 207,707,701.50 and 328,899,865.50

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Solution

The third proportional to 207,707,701.50 and 328,899,865.50 is: 520,804,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,707,701.50 : 328,899,865.50 = 328,899,865.50 : x
  2. Step 2: Convert to fraction form
    207,707,701.50/328,899,865.50 = 328,899,865.50/x
  3. Step 3: Cross multiply
    207,707,701.50x = 328,899,865.50 × 328,899,865.50
  4. Step 4: Simplify right side
    207,707,701.50x = 108,175,121,525,918,096
  5. Step 5: Solve for x
    x = 108,175,121,525,918,096/207,707,701.50
  6. Step 6: Final answer
    x = 520,804,576.55

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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.