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Finding the Third Proportional to 426,061.50 and 916,497.75

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Solution

The third proportional to 426,061.50 and 916,497.75 is: 1,971,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,061.50 : 916,497.75 = 916,497.75 : x
  2. Step 2: Convert to fraction form
    426,061.50/916,497.75 = 916,497.75/x
  3. Step 3: Cross multiply
    426,061.50x = 916,497.75 × 916,497.75
  4. Step 4: Simplify right side
    426,061.50x = 839,968,125,755.06
  5. Step 5: Solve for x
    x = 839,968,125,755.06/426,061.50
  6. Step 6: Final answer
    x = 1,971,471.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.