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Finding the Third Proportional to 607,213.13 and 891,123.19

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Solution

The third proportional to 607,213.13 and 891,123.19 is: 1,307,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,213.13 : 891,123.19 = 891,123.19 : x
  2. Step 2: Convert to fraction form
    607,213.13/891,123.19 = 891,123.19/x
  3. Step 3: Cross multiply
    607,213.13x = 891,123.19 × 891,123.19
  4. Step 4: Simplify right side
    607,213.13x = 794,100,535,300.16
  5. Step 5: Solve for x
    x = 794,100,535,300.16/607,213.13
  6. Step 6: Final answer
    x = 1,307,778.94

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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.