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Finding the Third Proportional to 502.88 and 653.06

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Solution

The third proportional to 502.88 and 653.06 is: 848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.88 : 653.06 = 653.06 : x
  2. Step 2: Convert to fraction form
    502.88/653.06 = 653.06/x
  3. Step 3: Cross multiply
    502.88x = 653.06 × 653.06
  4. Step 4: Simplify right side
    502.88x = 426,490.63
  5. Step 5: Solve for x
    x = 426,490.63/502.88
  6. Step 6: Final answer
    x = 848.10

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.