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Finding the Third Proportional to 720,696 and 1,130,544

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Solution

The third proportional to 720,696 and 1,130,544 is: 1,773,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,696 : 1,130,544 = 1,130,544 : x
  2. Step 2: Convert to fraction form
    720,696/1,130,544 = 1,130,544/x
  3. Step 3: Cross multiply
    720,696x = 1,130,544 × 1,130,544
  4. Step 4: Simplify right side
    720,696x = 1,278,129,735,936
  5. Step 5: Solve for x
    x = 1,278,129,735,936/720,696
  6. Step 6: Final answer
    x = 1,773,465.84

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.