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Finding the Third Proportional to 772,578 and 1,136,532

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Solution

The third proportional to 772,578 and 1,136,532 is: 1,671,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,578 : 1,136,532 = 1,136,532 : x
  2. Step 2: Convert to fraction form
    772,578/1,136,532 = 1,136,532/x
  3. Step 3: Cross multiply
    772,578x = 1,136,532 × 1,136,532
  4. Step 4: Simplify right side
    772,578x = 1,291,704,987,024
  5. Step 5: Solve for x
    x = 1,291,704,987,024/772,578
  6. Step 6: Final answer
    x = 1,671,941.20

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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.