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Finding the Third Proportional to 424,746 and 912,460

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Solution

The third proportional to 424,746 and 912,460 is: 1,960,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,746 : 912,460 = 912,460 : x
  2. Step 2: Convert to fraction form
    424,746/912,460 = 912,460/x
  3. Step 3: Cross multiply
    424,746x = 912,460 × 912,460
  4. Step 4: Simplify right side
    424,746x = 832,583,251,600
  5. Step 5: Solve for x
    x = 832,583,251,600/424,746
  6. Step 6: Final answer
    x = 1,960,190.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.