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Finding the Third Proportional to 911,989.13 and 1,984,510.13

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Solution

The third proportional to 911,989.13 and 1,984,510.13 is: 4,318,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,989.13 : 1,984,510.13 = 1,984,510.13 : x
  2. Step 2: Convert to fraction form
    911,989.13/1,984,510.13 = 1,984,510.13/x
  3. Step 3: Cross multiply
    911,989.13x = 1,984,510.13 × 1,984,510.13
  4. Step 4: Simplify right side
    911,989.13x = 3,938,280,436,227.52
  5. Step 5: Solve for x
    x = 3,938,280,436,227.52/911,989.13
  6. Step 6: Final answer
    x = 4,318,341.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.