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Finding the Third Proportional to 640,957.50 and 951,554.25

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Solution

The third proportional to 640,957.50 and 951,554.25 is: 1,412,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,957.50 : 951,554.25 = 951,554.25 : x
  2. Step 2: Convert to fraction form
    640,957.50/951,554.25 = 951,554.25/x
  3. Step 3: Cross multiply
    640,957.50x = 951,554.25 × 951,554.25
  4. Step 4: Simplify right side
    640,957.50x = 905,455,490,693.06
  5. Step 5: Solve for x
    x = 905,455,490,693.06/640,957.50
  6. Step 6: Final answer
    x = 1,412,660.73

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.