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Finding the Third Proportional to 979,738.50 and 1,440,781.50

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Solution

The third proportional to 979,738.50 and 1,440,781.50 is: 2,118,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,738.50 : 1,440,781.50 = 1,440,781.50 : x
  2. Step 2: Convert to fraction form
    979,738.50/1,440,781.50 = 1,440,781.50/x
  3. Step 3: Cross multiply
    979,738.50x = 1,440,781.50 × 1,440,781.50
  4. Step 4: Simplify right side
    979,738.50x = 2,075,851,330,742.25
  5. Step 5: Solve for x
    x = 2,075,851,330,742.25/979,738.50
  6. Step 6: Final answer
    x = 2,118,781.01

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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.