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Finding the Third Proportional to 424,912 and 652,224

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Solution

The third proportional to 424,912 and 652,224 is: 1,001,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,912 : 652,224 = 652,224 : x
  2. Step 2: Convert to fraction form
    424,912/652,224 = 652,224/x
  3. Step 3: Cross multiply
    424,912x = 652,224 × 652,224
  4. Step 4: Simplify right side
    424,912x = 425,396,146,176
  5. Step 5: Solve for x
    x = 425,396,146,176/424,912
  6. Step 6: Final answer
    x = 1,001,139.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.