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Finding the Third Proportional to 292,920 and 468,860

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Solution

The third proportional to 292,920 and 468,860 is: 750,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,920 : 468,860 = 468,860 : x
  2. Step 2: Convert to fraction form
    292,920/468,860 = 468,860/x
  3. Step 3: Cross multiply
    292,920x = 468,860 × 468,860
  4. Step 4: Simplify right side
    292,920x = 219,829,699,600
  5. Step 5: Solve for x
    x = 219,829,699,600/292,920
  6. Step 6: Final answer
    x = 750,476.92

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.