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Finding the Third Proportional to 184,428 and 402,360

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Solution

The third proportional to 184,428 and 402,360 is: 877,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,428 : 402,360 = 402,360 : x
  2. Step 2: Convert to fraction form
    184,428/402,360 = 402,360/x
  3. Step 3: Cross multiply
    184,428x = 402,360 × 402,360
  4. Step 4: Simplify right side
    184,428x = 161,893,569,600
  5. Step 5: Solve for x
    x = 161,893,569,600/184,428
  6. Step 6: Final answer
    x = 877,814.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.