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Finding the Third Proportional to 304,430 and 477,543

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Solution

The third proportional to 304,430 and 477,543 is: 749,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,430 : 477,543 = 477,543 : x
  2. Step 2: Convert to fraction form
    304,430/477,543 = 477,543/x
  3. Step 3: Cross multiply
    304,430x = 477,543 × 477,543
  4. Step 4: Simplify right side
    304,430x = 228,047,316,849
  5. Step 5: Solve for x
    x = 228,047,316,849/304,430
  6. Step 6: Final answer
    x = 749,096.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.