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Finding the Third Proportional to 216,854.72 and 448,790.63

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Solution

The third proportional to 216,854.72 and 448,790.63 is: 928,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,854.72 : 448,790.63 = 448,790.63 : x
  2. Step 2: Convert to fraction form
    216,854.72/448,790.63 = 448,790.63/x
  3. Step 3: Cross multiply
    216,854.72x = 448,790.63 × 448,790.63
  4. Step 4: Simplify right side
    216,854.72x = 201,413,025,087.89
  5. Step 5: Solve for x
    x = 201,413,025,087.89/216,854.72
  6. Step 6: Final answer
    x = 928,792.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.