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Finding the Third Proportional to 719,806 and 1,666,387

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Solution

The third proportional to 719,806 and 1,666,387 is: 3,857,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,806 : 1,666,387 = 1,666,387 : x
  2. Step 2: Convert to fraction form
    719,806/1,666,387 = 1,666,387/x
  3. Step 3: Cross multiply
    719,806x = 1,666,387 × 1,666,387
  4. Step 4: Simplify right side
    719,806x = 2,776,845,633,769
  5. Step 5: Solve for x
    x = 2,776,845,633,769/719,806
  6. Step 6: Final answer
    x = 3,857,769.50

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.