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Finding the Third Proportional to 554,726 and 812,343

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Solution

The third proportional to 554,726 and 812,343 is: 1,189,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,726 : 812,343 = 812,343 : x
  2. Step 2: Convert to fraction form
    554,726/812,343 = 812,343/x
  3. Step 3: Cross multiply
    554,726x = 812,343 × 812,343
  4. Step 4: Simplify right side
    554,726x = 659,901,149,649
  5. Step 5: Solve for x
    x = 659,901,149,649/554,726
  6. Step 6: Final answer
    x = 1,189,598.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.