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Finding the Third Proportional to 698,859 and 1,528,569

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Solution

The third proportional to 698,859 and 1,528,569 is: 3,343,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,859 : 1,528,569 = 1,528,569 : x
  2. Step 2: Convert to fraction form
    698,859/1,528,569 = 1,528,569/x
  3. Step 3: Cross multiply
    698,859x = 1,528,569 × 1,528,569
  4. Step 4: Simplify right side
    698,859x = 2,336,523,187,761
  5. Step 5: Solve for x
    x = 2,336,523,187,761/698,859
  6. Step 6: Final answer
    x = 3,343,339.91

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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.