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Finding the Third Proportional to 332,468 and 688,585

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Solution

The third proportional to 332,468 and 688,585 is: 1,426,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,468 : 688,585 = 688,585 : x
  2. Step 2: Convert to fraction form
    332,468/688,585 = 688,585/x
  3. Step 3: Cross multiply
    332,468x = 688,585 × 688,585
  4. Step 4: Simplify right side
    332,468x = 474,149,302,225
  5. Step 5: Solve for x
    x = 474,149,302,225/332,468
  6. Step 6: Final answer
    x = 1,426,150.19

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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.