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Finding the Third Proportional to 698,426 and 1,534,018

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Solution

The third proportional to 698,426 and 1,534,018 is: 3,369,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,426 : 1,534,018 = 1,534,018 : x
  2. Step 2: Convert to fraction form
    698,426/1,534,018 = 1,534,018/x
  3. Step 3: Cross multiply
    698,426x = 1,534,018 × 1,534,018
  4. Step 4: Simplify right side
    698,426x = 2,353,211,224,324
  5. Step 5: Solve for x
    x = 2,353,211,224,324/698,426
  6. Step 6: Final answer
    x = 3,369,306.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.