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Finding the Third Proportional to 277,230 and 583,440

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Solution

The third proportional to 277,230 and 583,440 is: 1,227,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,230 : 583,440 = 583,440 : x
  2. Step 2: Convert to fraction form
    277,230/583,440 = 583,440/x
  3. Step 3: Cross multiply
    277,230x = 583,440 × 583,440
  4. Step 4: Simplify right side
    277,230x = 340,402,233,600
  5. Step 5: Solve for x
    x = 340,402,233,600/277,230
  6. Step 6: Final answer
    x = 1,227,869.40

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.