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Finding the Third Proportional to 423,434.50 and 908,265.50

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Solution

The third proportional to 423,434.50 and 908,265.50 is: 1,948,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,434.50 : 908,265.50 = 908,265.50 : x
  2. Step 2: Convert to fraction form
    423,434.50/908,265.50 = 908,265.50/x
  3. Step 3: Cross multiply
    423,434.50x = 908,265.50 × 908,265.50
  4. Step 4: Simplify right side
    423,434.50x = 824,946,218,490.25
  5. Step 5: Solve for x
    x = 824,946,218,490.25/423,434.50
  6. Step 6: Final answer
    x = 1,948,226.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.