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Finding the Third Proportional to 832,440 and 1,768,560

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Solution

The third proportional to 832,440 and 1,768,560 is: 3,757,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,440 : 1,768,560 = 1,768,560 : x
  2. Step 2: Convert to fraction form
    832,440/1,768,560 = 1,768,560/x
  3. Step 3: Cross multiply
    832,440x = 1,768,560 × 1,768,560
  4. Step 4: Simplify right side
    832,440x = 3,127,804,473,600
  5. Step 5: Solve for x
    x = 3,127,804,473,600/832,440
  6. Step 6: Final answer
    x = 3,757,393.29

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.