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Finding the Third Proportional to 64,672 and 97,091

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Solution

The third proportional to 64,672 and 97,091 is: 145,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672 : 97,091 = 97,091 : x
  2. Step 2: Convert to fraction form
    64,672/97,091 = 97,091/x
  3. Step 3: Cross multiply
    64,672x = 97,091 × 97,091
  4. Step 4: Simplify right side
    64,672x = 9,426,662,281
  5. Step 5: Solve for x
    x = 9,426,662,281/64,672
  6. Step 6: Final answer
    x = 145,761.11

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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.