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Finding the Third Proportional to 719,741 and 1,666,220

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Solution

The third proportional to 719,741 and 1,666,220 is: 3,857,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,741 : 1,666,220 = 1,666,220 : x
  2. Step 2: Convert to fraction form
    719,741/1,666,220 = 1,666,220/x
  3. Step 3: Cross multiply
    719,741x = 1,666,220 × 1,666,220
  4. Step 4: Simplify right side
    719,741x = 2,776,289,088,400
  5. Step 5: Solve for x
    x = 2,776,289,088,400/719,741
  6. Step 6: Final answer
    x = 3,857,344.64

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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.