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Finding the Third Proportional to 732,948 and 1,121,220

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Solution

The third proportional to 732,948 and 1,121,220 is: 1,715,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,948 : 1,121,220 = 1,121,220 : x
  2. Step 2: Convert to fraction form
    732,948/1,121,220 = 1,121,220/x
  3. Step 3: Cross multiply
    732,948x = 1,121,220 × 1,121,220
  4. Step 4: Simplify right side
    732,948x = 1,257,134,288,400
  5. Step 5: Solve for x
    x = 1,257,134,288,400/732,948
  6. Step 6: Final answer
    x = 1,715,175.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.