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Finding the Third Proportional to 66,545 and 97,866.50

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Solution

The third proportional to 66,545 and 97,866.50 is: 143,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545 : 97,866.50 = 97,866.50 : x
  2. Step 2: Convert to fraction form
    66,545/97,866.50 = 97,866.50/x
  3. Step 3: Cross multiply
    66,545x = 97,866.50 × 97,866.50
  4. Step 4: Simplify right side
    66,545x = 9,577,851,822.25
  5. Step 5: Solve for x
    x = 9,577,851,822.25/66,545
  6. Step 6: Final answer
    x = 143,930.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.