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Finding the Third Proportional to 790,865 and 1,225,623

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Solution

The third proportional to 790,865 and 1,225,623 is: 1,899,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,865 : 1,225,623 = 1,225,623 : x
  2. Step 2: Convert to fraction form
    790,865/1,225,623 = 1,225,623/x
  3. Step 3: Cross multiply
    790,865x = 1,225,623 × 1,225,623
  4. Step 4: Simplify right side
    790,865x = 1,502,151,738,129
  5. Step 5: Solve for x
    x = 1,502,151,738,129/790,865
  6. Step 6: Final answer
    x = 1,899,378.20

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.