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Finding the Third Proportional to 423,792 and 914,802

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Solution

The third proportional to 423,792 and 914,802 is: 1,974,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,792 : 914,802 = 914,802 : x
  2. Step 2: Convert to fraction form
    423,792/914,802 = 914,802/x
  3. Step 3: Cross multiply
    423,792x = 914,802 × 914,802
  4. Step 4: Simplify right side
    423,792x = 836,862,699,204
  5. Step 5: Solve for x
    x = 836,862,699,204/423,792
  6. Step 6: Final answer
    x = 1,974,701.50

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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.