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Finding the Third Proportional to 256,776 and 375,654

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Solution

The third proportional to 256,776 and 375,654 is: 549,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,776 : 375,654 = 375,654 : x
  2. Step 2: Convert to fraction form
    256,776/375,654 = 375,654/x
  3. Step 3: Cross multiply
    256,776x = 375,654 × 375,654
  4. Step 4: Simplify right side
    256,776x = 141,115,927,716
  5. Step 5: Solve for x
    x = 141,115,927,716/256,776
  6. Step 6: Final answer
    x = 549,568.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.