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Finding the Third Proportional to 807,172 and 1,754,312

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Solution

The third proportional to 807,172 and 1,754,312 is: 3,812,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,172 : 1,754,312 = 1,754,312 : x
  2. Step 2: Convert to fraction form
    807,172/1,754,312 = 1,754,312/x
  3. Step 3: Cross multiply
    807,172x = 1,754,312 × 1,754,312
  4. Step 4: Simplify right side
    807,172x = 3,077,610,593,344
  5. Step 5: Solve for x
    x = 3,077,610,593,344/807,172
  6. Step 6: Final answer
    x = 3,812,831.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.