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Finding the Third Proportional to 15,271,735.50 and 21,362,169

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Solution

The third proportional to 15,271,735.50 and 21,362,169 is: 29,881,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,735.50 : 21,362,169 = 21,362,169 : x
  2. Step 2: Convert to fraction form
    15,271,735.50/21,362,169 = 21,362,169/x
  3. Step 3: Cross multiply
    15,271,735.50x = 21,362,169 × 21,362,169
  4. Step 4: Simplify right side
    15,271,735.50x = 456,342,264,384,561
  5. Step 5: Solve for x
    x = 456,342,264,384,561/15,271,735.50
  6. Step 6: Final answer
    x = 29,881,493.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.