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Finding the Third Proportional to 430,120 and 971,235

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Solution

The third proportional to 430,120 and 971,235 is: 2,193,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,120 : 971,235 = 971,235 : x
  2. Step 2: Convert to fraction form
    430,120/971,235 = 971,235/x
  3. Step 3: Cross multiply
    430,120x = 971,235 × 971,235
  4. Step 4: Simplify right side
    430,120x = 943,297,425,225
  5. Step 5: Solve for x
    x = 943,297,425,225/430,120
  6. Step 6: Final answer
    x = 2,193,102.91

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.