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Finding the Third Proportional to 770,312 and 1,126,942

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Solution

The third proportional to 770,312 and 1,126,942 is: 1,648,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,312 : 1,126,942 = 1,126,942 : x
  2. Step 2: Convert to fraction form
    770,312/1,126,942 = 1,126,942/x
  3. Step 3: Cross multiply
    770,312x = 1,126,942 × 1,126,942
  4. Step 4: Simplify right side
    770,312x = 1,269,998,271,364
  5. Step 5: Solve for x
    x = 1,269,998,271,364/770,312
  6. Step 6: Final answer
    x = 1,648,680.37

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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.