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Finding the Third Proportional to 698,914 and 1,528,682

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Solution

The third proportional to 698,914 and 1,528,682 is: 3,343,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,914 : 1,528,682 = 1,528,682 : x
  2. Step 2: Convert to fraction form
    698,914/1,528,682 = 1,528,682/x
  3. Step 3: Cross multiply
    698,914x = 1,528,682 × 1,528,682
  4. Step 4: Simplify right side
    698,914x = 2,336,868,657,124
  5. Step 5: Solve for x
    x = 2,336,868,657,124/698,914
  6. Step 6: Final answer
    x = 3,343,571.11

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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.