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Finding the Third Proportional to 402,352 and 837,768

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Solution

The third proportional to 402,352 and 837,768 is: 1,744,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,352 : 837,768 = 837,768 : x
  2. Step 2: Convert to fraction form
    402,352/837,768 = 837,768/x
  3. Step 3: Cross multiply
    402,352x = 837,768 × 837,768
  4. Step 4: Simplify right side
    402,352x = 701,855,221,824
  5. Step 5: Solve for x
    x = 701,855,221,824/402,352
  6. Step 6: Final answer
    x = 1,744,381.09

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.