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Finding the Third Proportional to 716,632 and 1,118,520

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Solution

The third proportional to 716,632 and 1,118,520 is: 1,745,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,632 : 1,118,520 = 1,118,520 : x
  2. Step 2: Convert to fraction form
    716,632/1,118,520 = 1,118,520/x
  3. Step 3: Cross multiply
    716,632x = 1,118,520 × 1,118,520
  4. Step 4: Simplify right side
    716,632x = 1,251,086,990,400
  5. Step 5: Solve for x
    x = 1,251,086,990,400/716,632
  6. Step 6: Final answer
    x = 1,745,787.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.