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Finding the Third Proportional to 43,420.13 and 64,968

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Solution

The third proportional to 43,420.13 and 64,968 is: 97,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,420.13 : 64,968 = 64,968 : x
  2. Step 2: Convert to fraction form
    43,420.13/64,968 = 64,968/x
  3. Step 3: Cross multiply
    43,420.13x = 64,968 × 64,968
  4. Step 4: Simplify right side
    43,420.13x = 4,220,841,024
  5. Step 5: Solve for x
    x = 4,220,841,024/43,420.13
  6. Step 6: Final answer
    x = 97,209.32

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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.