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Finding the Third Proportional to 579,700 and 919,931

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Solution

The third proportional to 579,700 and 919,931 is: 1,459,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,700 : 919,931 = 919,931 : x
  2. Step 2: Convert to fraction form
    579,700/919,931 = 919,931/x
  3. Step 3: Cross multiply
    579,700x = 919,931 × 919,931
  4. Step 4: Simplify right side
    579,700x = 846,273,044,761
  5. Step 5: Solve for x
    x = 846,273,044,761/579,700
  6. Step 6: Final answer
    x = 1,459,846.55

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.