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Finding the Third Proportional to 626,220 and 1,370,592

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Solution

The third proportional to 626,220 and 1,370,592 is: 2,999,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,220 : 1,370,592 = 1,370,592 : x
  2. Step 2: Convert to fraction form
    626,220/1,370,592 = 1,370,592/x
  3. Step 3: Cross multiply
    626,220x = 1,370,592 × 1,370,592
  4. Step 4: Simplify right side
    626,220x = 1,878,522,430,464
  5. Step 5: Solve for x
    x = 1,878,522,430,464/626,220
  6. Step 6: Final answer
    x = 2,999,780.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.