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Finding the Third Proportional to 60,798 and 90,953

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Solution

The third proportional to 60,798 and 90,953 is: 136,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,798 : 90,953 = 90,953 : x
  2. Step 2: Convert to fraction form
    60,798/90,953 = 90,953/x
  3. Step 3: Cross multiply
    60,798x = 90,953 × 90,953
  4. Step 4: Simplify right side
    60,798x = 8,272,448,209
  5. Step 5: Solve for x
    x = 8,272,448,209/60,798
  6. Step 6: Final answer
    x = 136,064.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.