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Finding the Third Proportional to 61,405.59 and 97,645.50

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Solution

The third proportional to 61,405.59 and 97,645.50 is: 155,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.59 : 97,645.50 = 97,645.50 : x
  2. Step 2: Convert to fraction form
    61,405.59/97,645.50 = 97,645.50/x
  3. Step 3: Cross multiply
    61,405.59x = 97,645.50 × 97,645.50
  4. Step 4: Simplify right side
    61,405.59x = 9,534,643,670.25
  5. Step 5: Solve for x
    x = 9,534,643,670.25/61,405.59
  6. Step 6: Final answer
    x = 155,273.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.