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Finding the Third Proportional to 772,578.63 and 1,136,531.88

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Solution

The third proportional to 772,578.63 and 1,136,531.88 is: 1,671,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,578.63 : 1,136,531.88 = 1,136,531.88 : x
  2. Step 2: Convert to fraction form
    772,578.63/1,136,531.88 = 1,136,531.88/x
  3. Step 3: Cross multiply
    772,578.63x = 1,136,531.88 × 1,136,531.88
  4. Step 4: Simplify right side
    772,578.63x = 1,291,704,720,649.33
  5. Step 5: Solve for x
    x = 1,291,704,720,649.33/772,578.63
  6. Step 6: Final answer
    x = 1,671,939.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.