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Finding the Third Proportional to 607,219.88 and 891,145.13

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Solution

The third proportional to 607,219.88 and 891,145.13 is: 1,307,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,219.88 : 891,145.13 = 891,145.13 : x
  2. Step 2: Convert to fraction form
    607,219.88/891,145.13 = 891,145.13/x
  3. Step 3: Cross multiply
    607,219.88x = 891,145.13 × 891,145.13
  4. Step 4: Simplify right side
    607,219.88x = 794,139,633,811.27
  5. Step 5: Solve for x
    x = 794,139,633,811.27/607,219.88
  6. Step 6: Final answer
    x = 1,307,828.79

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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.