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Finding the Third Proportional to 21,465 and 47,032

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Solution

The third proportional to 21,465 and 47,032 is: 103,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465 : 47,032 = 47,032 : x
  2. Step 2: Convert to fraction form
    21,465/47,032 = 47,032/x
  3. Step 3: Cross multiply
    21,465x = 47,032 × 47,032
  4. Step 4: Simplify right side
    21,465x = 2,212,009,024
  5. Step 5: Solve for x
    x = 2,212,009,024/21,465
  6. Step 6: Final answer
    x = 103,051.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.