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Finding the Third Proportional to 889,968 and 1,918,531.50

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Solution

The third proportional to 889,968 and 1,918,531.50 is: 4,135,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,968 : 1,918,531.50 = 1,918,531.50 : x
  2. Step 2: Convert to fraction form
    889,968/1,918,531.50 = 1,918,531.50/x
  3. Step 3: Cross multiply
    889,968x = 1,918,531.50 × 1,918,531.50
  4. Step 4: Simplify right side
    889,968x = 3,680,763,116,492.25
  5. Step 5: Solve for x
    x = 3,680,763,116,492.25/889,968
  6. Step 6: Final answer
    x = 4,135,837.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.