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Finding the Third Proportional to 255,070 and 558,624

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Solution

The third proportional to 255,070 and 558,624 is: 1,223,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,070 : 558,624 = 558,624 : x
  2. Step 2: Convert to fraction form
    255,070/558,624 = 558,624/x
  3. Step 3: Cross multiply
    255,070x = 558,624 × 558,624
  4. Step 4: Simplify right side
    255,070x = 312,060,773,376
  5. Step 5: Solve for x
    x = 312,060,773,376/255,070
  6. Step 6: Final answer
    x = 1,223,431.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.