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Finding the Third Proportional to 786,987.75 and 1,175,607

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Solution

The third proportional to 786,987.75 and 1,175,607 is: 1,756,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,987.75 : 1,175,607 = 1,175,607 : x
  2. Step 2: Convert to fraction form
    786,987.75/1,175,607 = 1,175,607/x
  3. Step 3: Cross multiply
    786,987.75x = 1,175,607 × 1,175,607
  4. Step 4: Simplify right side
    786,987.75x = 1,382,051,818,449
  5. Step 5: Solve for x
    x = 1,382,051,818,449/786,987.75
  6. Step 6: Final answer
    x = 1,756,128.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.