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Finding the Third Proportional to 15,271,732 and 21,362,163

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Solution

The third proportional to 15,271,732 and 21,362,163 is: 29,881,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,732 : 21,362,163 = 21,362,163 : x
  2. Step 2: Convert to fraction form
    15,271,732/21,362,163 = 21,362,163/x
  3. Step 3: Cross multiply
    15,271,732x = 21,362,163 × 21,362,163
  4. Step 4: Simplify right side
    15,271,732x = 456,342,008,038,569
  5. Step 5: Solve for x
    x = 456,342,008,038,569/15,271,732
  6. Step 6: Final answer
    x = 29,881,483.52

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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.