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Finding the Third Proportional to 456,132 and 971,328

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Solution

The third proportional to 456,132 and 971,328 is: 2,068,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,132 : 971,328 = 971,328 : x
  2. Step 2: Convert to fraction form
    456,132/971,328 = 971,328/x
  3. Step 3: Cross multiply
    456,132x = 971,328 × 971,328
  4. Step 4: Simplify right side
    456,132x = 943,478,083,584
  5. Step 5: Solve for x
    x = 943,478,083,584/456,132
  6. Step 6: Final answer
    x = 2,068,432.13

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.