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Finding the Third Proportional to 832,720 and 1,791,740

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Solution

The third proportional to 832,720 and 1,791,740 is: 3,855,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,720 : 1,791,740 = 1,791,740 : x
  2. Step 2: Convert to fraction form
    832,720/1,791,740 = 1,791,740/x
  3. Step 3: Cross multiply
    832,720x = 1,791,740 × 1,791,740
  4. Step 4: Simplify right side
    832,720x = 3,210,332,227,600
  5. Step 5: Solve for x
    x = 3,210,332,227,600/832,720
  6. Step 6: Final answer
    x = 3,855,236.13

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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.