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Finding the Third Proportional to 292,434 and 637,752

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Solution

The third proportional to 292,434 and 637,752 is: 1,390,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,434 : 637,752 = 637,752 : x
  2. Step 2: Convert to fraction form
    292,434/637,752 = 637,752/x
  3. Step 3: Cross multiply
    292,434x = 637,752 × 637,752
  4. Step 4: Simplify right side
    292,434x = 406,727,613,504
  5. Step 5: Solve for x
    x = 406,727,613,504/292,434
  6. Step 6: Final answer
    x = 1,390,835.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.