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Finding the Third Proportional to 332,543.60 and 688,734.14

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Solution

The third proportional to 332,543.60 and 688,734.14 is: 1,426,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,543.60 : 688,734.14 = 688,734.14 : x
  2. Step 2: Convert to fraction form
    332,543.60/688,734.14 = 688,734.14/x
  3. Step 3: Cross multiply
    332,543.60x = 688,734.14 × 688,734.14
  4. Step 4: Simplify right side
    332,543.60x = 474,354,716,462.46
  5. Step 5: Solve for x
    x = 474,354,716,462.46/332,543.60
  6. Step 6: Final answer
    x = 1,426,443.67

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.