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Finding the Third Proportional to 885,253 and 1,338,420

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Solution

The third proportional to 885,253 and 1,338,420 is: 2,023,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,253 : 1,338,420 = 1,338,420 : x
  2. Step 2: Convert to fraction form
    885,253/1,338,420 = 1,338,420/x
  3. Step 3: Cross multiply
    885,253x = 1,338,420 × 1,338,420
  4. Step 4: Simplify right side
    885,253x = 1,791,368,096,400
  5. Step 5: Solve for x
    x = 1,791,368,096,400/885,253
  6. Step 6: Final answer
    x = 2,023,566.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.