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Finding the Third Proportional to 748,743.75 and 1,122,751.13

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Solution

The third proportional to 748,743.75 and 1,122,751.13 is: 1,683,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,743.75 : 1,122,751.13 = 1,122,751.13 : x
  2. Step 2: Convert to fraction form
    748,743.75/1,122,751.13 = 1,122,751.13/x
  3. Step 3: Cross multiply
    748,743.75x = 1,122,751.13 × 1,122,751.13
  4. Step 4: Simplify right side
    748,743.75x = 1,260,570,088,688.77
  5. Step 5: Solve for x
    x = 1,260,570,088,688.77/748,743.75
  6. Step 6: Final answer
    x = 1,683,580.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.